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How to install new ROM on GEM 701, 702 and 703

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audioralf

Senior Member
Mar 12, 2011
1,325
378
This thread is a continuation of existing threads, which started when Model 701 was not out yet.

Update 2017-04-22
Since we have verified that the "downgrade script" opens the door for multiple Mediapad X2 models we have much easier way:

Do a full backup with Huawei Backup Application ("Datensicherung") and copy all stuff from internal sd to external which you put manually on it.
For push applications like whatsapp do a backup of chat in whatsapp, manually on your google drive.
Unlock bootloader
https://emui.huawei.com/en/plugin/unlock/detail
create account, via selecting Honkong as localisation.
Then login on https://emui.huawei.com/én/plugin/unlock/detail
If it's redirected to a EMUI site, then simply call the link again https://emui.huawei.com/en/plugin/unlock/detail
check the agree box and fill the page with: "Before EMUI 5.0" and put model name in the field "GEM-701L" or "GEM-702L"
Then fill out the rest (you have to optain the productID via entering in Phone as if you will make a call: *#*#1357946*#* )
Then Huwaei will give you the bootloader code directly on this page.
install minimal adb and open cmd window
connect phone and start with VOL down key
type: fastboot devices
if you get no answer you'll have to update the windows driver to "ADB sooner single interface"
if you get answer type
fastboot oem unlock xxxx (wher xxxx is the bootloadercode you got from page above)
Do factory reset from EMUI (not from recovery, it will work, but you'l get problems later)
if you had replaced the original recovery with TWRP you must flash it back:
fastboot flash https://drive.google.com/file/d/0B5TWnuLR7ugZRmdVdEhzdjM3Tms/view?usp=drivesdkrecovery.img for B003 or B005 back if you already replaced it.
then download the "downgrade script" . Unpck the rar and put the dload folder to internal SD
Select Update in EMUI settings menu and select "local upate" and then "full update" from internal SD.
Then download the from the very slow huawei server B202 full package (DEMO) and put the dload folder to external SD (or internal)
Start system and select update and "local update" and install it.
Then boot in bootloader/fastboot mode again via VOL - key and flash TWRP for Android 6.0 via adb: fastboot flash recovery TWRP-ENG-6.0-BLACK-BLUE.img
If you install it via fastboot flash recovery2 TWRP-ENG-6.0-BLACK-BLUE.img , you will not overwrite the original recovery, which is need for factory reset or dload) If recovery is on recovery2 then you must keep a USB connection to PC to be able to start the TWRP. Otherwise remove USB cable before you boot into TWRP.
Start TWRP via holding VOL + Key via starting the phone and allow modifications and then press Install button and select external SD and then the kangVIP 212 V2
Or now newest version KangVIP V3 from thread https://forum.xda-developers.com/showthread.php?t=3215851
Wipe cache and dalvic and reboot to system.
Wait several minutes until first boot is finished. If you already have apps installed (dirty flash over existing KANGVIP) this may take up to 40 minutes)
If you need to do a factory reset from EMUI you will need the original Huawei recovery B202 wich you can install via fastboot
Restore your apps from Huawei Backup, besides Whatsapp.
Install whatsapp and then the question comes up to restore your backup.
 
Last edited:

audioralf

Senior Member
Mar 12, 2011
1,325
378
THE REST BELOW THIS LINE HERE IS ONLY FOR HISTORICAL INTEREST or for people who have already updated to 5.11
################################################################################


Update 2016- 04 -05
See short way with B112 on http://forum.xda-developers.com/showpost.php?p=66156287&postcount=215
Hint: This seem not a 100% convesion to 5.1.1 because storage handling did not change.
Advantage: You may goback to B003 with a nandroid.
Unverified: If it can still charge on such a rollback

----------------
Meanwhile we have figured out how to flash a new ROM even on GEM 701 L.
Thanksgiving to all who have participated in this. Especially to ajsmsg78, eennap, ZeuseZ, and Ante666
I you have a 703 Model, you can simply upgrade via OTA and then go to one of the threads ajsmsg78 made and choose which ROM you like.

If you have Model 701 oder Model 702 you can use this thread, if you already have at least firmware B003 on your device.

Current situation in Jan 2016:
If you have a firmware B001, or B002, then zip your folder "/cust" and send it to ajsmsg78.
Then he would integrate it into the "universal cust". Please wait until he did this.
The "Universal Cust B112" hast the filename variant "UNIVERSAL-CUST-B112.zip"

Later if you install the SIMPLY_GOOGLE ROM Version a variation of this "cust" will be automatically installed then it is called "Simply Google B111 Cust".
If you install a B111KangVip or the NearStockB111 the "universal cust" also is integrated

Don't worry about the names, it is used to display the correct Roms name.

If you have 701 or 702 model, you may have heard, that Huawei published firmware only for the 703 model.
So we have to convert our device into a 703 model, by keeping it's hardware based additional LTE bands.
If you have converted by doing the following steps to B015,
you will be able to upgrade Android 5.0 to Android 5.1.1 on the follwing steps for D106
---------------------------
Update 2016-28-02
It seems possible directly install the B112. So much easier now. Just flash 4 B015 files, install the "universal cust B112" and then do "dload" procedure for B112.
Then you are on stock B112 can can flash the stabile "Near Stock B111". I have edited the new way in the post below
------------------------------------------------------------------------------
After that you will be able to install updated directly from Huawei via the OTA (Over the air) method, if you have a stabile WLAN connection.
This does not give you a direct jump from B106 to B111 (or B112) , so don't try this on the "dload" method.
My experience was that some components are not updated if you skip a version. Evidence see here

Alternatively you will also be able to do manual "dload" processes.
This both methods lead you up to version B112
After this you can install one on ajsmsg78 ROMS.
They differ in the composition of removing and adding components.
So look which version is the best for you and check, if it is up to date or maybe discontinued.

This are the steps to flash from 701L (B003) to custom firmware

Be aware: Don't try to return to B015 or B003 (Android 5.0), after you have once installed Andoid 5.1.
You will loose the ability to charge the phone in this case.
But it is possible temporary go back. For this you will find the guide in post 2 of this thread

If you have a lower version like B001 or B002 you MUST save your folder /cust to a zip fle and send it to ajsmsg78 and ask for advice!

Don't start flashing in this case!


If you already have a higher version than B003 you can skip the steps which lead to your version.
If you have B006, it seems that you can not upgrade. You must first downgrade to B003. Please report if you find a way.
Maybe you can do the dload for B112. Try this and report!

In case if you want to return to B003 there is a possibilty - > this is documented at post 2


----- To those who have already installed: Please check if there is missing something or wrong and leave a comment. ---
Steps are numbered to be compatible to then numbering of eennaps guide. (Some steps differ, because of newer cognitions.
- First of all: Be sure you have enabled USB debugging on your device. Otherwise you can not go into "manufacture mode" for DC - unlocker
To enable this you have to select "about phone" and tap 7 times on the "build number". After that you will find "developer options" in main menu.
- install ADB or got to ADB XDA Forum
- if you are on Win 10, then install Hisuite (for DC - unlocker manufactur mode drivers)
- Unlock Bootloader via DC-Unlockerr (see [https://drive.google.com/file/d/0By1mhgPLc1LqUzV0QVVRWmpBWlE/view?usp=sharing] reduced eennaps document just for the unlock chapture [/URL] for these steps )
If you get you code from Huawei, just open cmd window on PC and type
fastboot oem xxx
and replace xxx with the bootloader code you got from Huawei or DC-Unlocker software
If you have an unlocked phone you can start with these steps
Step 1
1.1 a - Download 2 TWRP versions

To download the files from Google drive klick on the little download icon. NOT ON THE FOLDER

5.0: https://drive.google.com/file/d/0By1mhgPLc1LqSlRTRVhmbjhTcjg/view?usp=sharing
5.1.1 https://drive.google.com/file/d/0B5I_q70mNuR4QkFzM2xOWVlvRkk/view
and put both files into your ADB folder on Windows PC.
1.1 b
- Download 4 Files from Firmware B015 which I have extracted via Huawei Update extactor
BOOT.img, https://drive.google.com/file/d/0By1mhgPLc1LqeGNLc0VKRVRNR2s/view?usp=sharing
RECOVERY.img, https://drive.google.com/file/d/0By1mhgPLc1LqTVd0c3FYVWJrVlU/view?usp=sharing
SYSTEM.img https://drive.google.com/file/d/0By1mhgPLc1LqZWY2SHJuaXB4YUk/view?usp=sharing
USERDATA.img. https://drive.google.com/file/d/0By1mhgPLc1LqeTJITEhGRk9ZNGs/view?usp=sharing
You can check the MD5.
1.1 c Copy these 4files into your ADB Folder on PC

1.1 d : insert a at least 32 GByte Class 10 SD Card. (better 64 GByte)
B: Copy all your content from the internal drive to the external SD card in a folder (for example name it "int_SD_Backup")
1.1 e: download ajsmsg78's "universal cust" and put it to the external SDCard.

1.1 d: Download at least the first 2 files (if you later want to go via OTA ) or all 4 Firmware versions, if you prefer the offline "dload" method for all files.
edit: It seems it is sufficient only download the B112 stockhttps://www.androidfilehost.com/?fid=24385226645962831
optional: B015
and also optional: B106,
optional: B109, and B111 if you prefer the dload method for these versions, too. For this download them from here
Step 1g-unzip these files to your PC and copy later step by step the unzipped folder "dload" of version B112 to your ext SD-Card (root directory not in subfolder)
I used a external USB SD Card Reader, this is faster than to copy via USB. But both works.
1.1 h: I recommend fist do download a near stock Variant NearStockB111 [/B] an put it on your external SD Card.
But you can also download B111KANGVIP or the much more dbloated "Google" ROM SimplyGoogle and put the zip file on the external SD-Card. Be aware: these 2 last variants do not include the Huawai Backup appliation to restore your saved configuraton. And the SimplyGoolge Variant is not stabile at this point of time.
After 4 weeks testing the Kangvip V2 and Simply Google (made in Feb 2016) I return today to "Near Stock", because KangVipV2 has white icons on white background on navigation bar when you hold in landscape mode. SimplyGoogle has not the full features of boot menu and a
advanced settings and you can not install XPOSED on it. So I recommend the "Near Stock". I saw no added features between 111 and 112.
I believe it is just to skip B109. This makes things easier. I update the guide for this today (2016-02-24)

1.1 i On Phone: Start the Huawei Backup App (Icon "Backup" or german: "Datensicherung")
and do 2 Backups on SD Card (one for account and settings and one for your apps)

1.1 j: Restart Phone in BootloaderMode (Vol - and Power Key while USB Cable is connected)

1.2.a On Windows PC: Do a Shift-Key-right-click on the ADB folder and select "open command here" .
Then type in the cmd window the following command to Flash X2_TWRP_CN_5.0 (not yet version 5.1 because it does not start on a 5.0 System)
fastboot flash recovery TWRP-ENG-5.0.img
(this takes 2-3 seconds)
1.2.b Remove USB cable and press Power Key until screen is dark
then press Vol + and PowerKey and hold until something comes on screen
then release PowerKey and hold Vol+ Key until TWRP starts.
1.2c Make a "NANDROID" of your current ROM
press "Backup" Button.
press the last line "storage:" and select external_sd
swype for backup and wait (about 4 -10 minutes until message [Backup Completed ....])
- press home key (bottom left)
1.2d WIPE CACHE and DALVIC
from main menu select "Wipe" and then "Advanced Wipe"
check "Dalvic Cache" and "Cache"
swipe to wipe
press home key (bottom left)
1.2e press Install and select UNIVERSAL-CUST-B112 (this is the universal cust) and swpe to install (maybe change "storage" to find it)
Step 2a) boot into fastboot (Vol - and power key)
- on windows in command window go to the ADB folder and type the following commands.
I highly recommend to copy the black lines from here an paste in the adb window to prevent typos.
Step 2b
If you come from B003 you can directly flash thes 4 files from the B015 version

fastboot flash boot BOOT.img
fastboot flash system SYSTEM.img
flashing system takes some minutes and does several actions. Wait until all are finished
fastboot flash userdata USERDATA.img
fastboot flash recovery RECOVERY.img
fastboot reboot

New: --> Try to skip step 3 and directly go to step 4a to "dload" the B112 stock

3a reboot system and do minimal setup and select "Settings" and scroll down for the "Backup and reset" menu.
3b select "Factory data reset" and check "format internal SD" (Remember : you had copied everything to SD Card and made a backup with the Huawai Backup Application. So you can do this risk free)
EDIT: (see post 3 and 4 normal recovery is necessary to do the factory reset)
3c after system reboots, shut down by pressing powerkey to be able to install the "universal cust"
- boot into fastboot mode and flash vom ADB window:
fastboot flash recovery TWRP-ENG-5.0.img
then and boot into TWRP and
3d press "Install" ,select KANGVIP-B111-CUST-MOD.zip and swype to flash. (you have to disable the MD5 verification checkbox.)
3f - boot into fastboot mode and flash the B015 recovery.img again which you had uploaded on step 1.1.b , because system needs it for the dload process in step 4.
fastboot flash recovery RECOVERY.img

Update 2016-28-02
4. a then reboot the machine and select from "options" -> "Update" and press menu icon for "manual firmware update" and select update from ext SD Card. This flashes all components of GEM-703L official stock ROM B112 via the dload folder.
--> Now go to Step 6



4. b If you come from B006 and and you run into error, you could try to dload the B106 update.app on this step. If this fails you have to install the B003 first and then flash the B015 and go on.
If you come form B006 and decide to stop the whole process you can restore your backup and then install B006 recovery

If you come from B006 the latest tests show that you first have to install the B003 and then start from the beginning of this thread

If you do the "dload" for B106 then it might might fail at 98%, because you have not installed a full B015. But don't worry, you can go on in the next steps without any errors. We have tested, if this can be prevented via dload B015 first. Some people reported it worked, but I seems not to be neccessary, so I removed this point in the guide

THIS is the point where you change from Android 5.0 to Android 5.1
5 g Reboot Phone, do a minimal configuration and select "Settings" and scroll down for the "Backup and reset" menu.
5 h select "Factory data reset" and check "format internal SD" This is important because now you are on Android 5.1.1 and the internal SC Card handling has changed.
5 i wait until reset is finished and the system starts again: Do again minimal configuration
5 j Then go to the firmware update menu and check if there is a OTA update available
5 k Select firmware update B106-> B112 (this comes via OTA)



6 If you have installed the B112 reboot the system and do a minimal configuration[/B]
7-9 dropped, because we don't need to install B109 and B111 stock anymore
Don't worry about the the info in "about phone" that internal Memory is only 1 GByte and you were on Android 4.1.1
This is, because the 703 firmware is running on a 701 or 702 model.
This is only a display issue. This will be fixed via the "universal cust", which will be automatically again installed later.

10 reboot into fastboot to flash the new TWRP
11 fastboot flash recovery TWRP-ENG-5.1.1.img[/B]
12 reboot into TWRP and make a backup of this clean stock B112, to be able to do a upgrade to Android 6.0 in future.

The next step will install the first custom ROM on your device wich will fix the problem with the wrong display of memory and Andriod Verision
13. Press "Wipe" and do a factory reset within TWRP
14 Press "Install" and install NearStockB111 from your external SD Card.
15. select Press Button "WIPE" and "Avanced" and check boxes to wipe cache and dalvic and Data and reboot into system.
16 go for coffee and after about 5 minutes later you are in B111 KangVip. :)
Now check in the "about phone info" if, Version = Android 5.1.1 and your Memory is correct.
This version is made from B111. I tested KangViPB112 and found no advantage in it. It was not stabile with KANGVIP V2. It has ab bug on the navigaton bar in landscape mode. On some apps you will have white icons on white background. So I advice to stay on B111 KangVipV1 near Stock. It is stabile and has the most feature. And you can install Xposted via the playstore Xposed installer, too.

17. do a full configuration. Maybe your 5 MHz WLAN will not be displayed. Then turn WLAN off an on or do a reboot to fix that.
18. Go into Advanced Settings in Settings and uncheck Lunar Calendar and Desktop Weather Lunar (if you see chinese letters somewhere)
19 Start Huawai Backup application and select your backupfiles to restore (first the accounts then apps)
If you can't find Huawei Backup look inside app folder of this link on phone and click on HWALLBackup and "install"
20 If you don't like gmail, install "myMail" app from playstore.
20 If you don't see SuperSu, you can alternatively use "Kingroot" and do start konfiguration inside to get the full control which apps will be allowed to have root access

You have alternatives which custom ROM you could flash via TWRP later:

NearStockB111: You have already installed this, if you followed this guide.
I advise to use this version. It is stabile.
It does not contain Supersu, but it uses KingRoot. (You can change to SuperSu)
This means you will be rooted and have control via the Purify app on the root authorization and autostart via this alternative
you will not have the whitescreen bug which has something to do with conflicts between SuperSu and KANGVIP Tools V2.

This version is almost like the stock B111, rooted but without chinese bloat ware: NearStock B111
You will find all Huawei system apps and the Backup.app where you can recover all your saved data

The other 2 versions do not include the Backup app. You can install them later.

KangVipSlim : Version with reduced system apps and "old" KangVipTools V1" very less Google staff go here
21. Goto http://forum.xda-developers.com/mediapad-x2/development/rom-kangvip-5-1-1-b108-t3215851

SimplyGoogle with KangVipTools V2 (And Supersu) and integrated Xposted SimplyGoogle
and read whats new on the release and don't forget to press thankyou button for asjmsg78

Be aware on SimplyGoogle: On the first boot, there may be a window form Superuser (SuperSu), which asks for permisson to "KangVipTools"
You must give permanent access, otherwise you will get a white sceen and you would not be able to use the Rom.
This is currently a known problem and might be solved later.
There are some unsolved problems with "Xposed" on this version.

If you ever want to start the whole process again from B106 then
download the 5.1.1 recovery from B106
--- reserved ----
01-15 installing the recovery is nevertheless necessary to do a factory reset on step 3 b
01-16 reduced the word document to just the steps for DC-unlocker
inserting installing universal cust on start
and wipe dalivic/cache
and skipping flashing normal cust (ajsmsg78 says this will work)
01-17 changing the link for the cust to the "universal cust", because of the includes ROM name. This may be confusing on this process.
01-18 inserting a format of internal SD card. Someone reported it was not correct after the whole process.
inserting wipe also data to prevent the while screen bug on the first start of SIMPLY GOOGLE
replacing SimplyGoogle with the NearCustB111 variant as first Custom Rom, because it includes the Backup.App from Huawei.
01-19 the error free dload on the B015 is confirmed. This is because we inserted to flash the universal cust before and skipped to install the cust.img
added reset and format internal sd directly after first android 5.1.1 installation
If you use the NearStock Rom you have to launch kingroot an do start konfiguration inside.
01-24 Moved the steps for returning back to Android 5 to this post 1, because it is a fact, that the phone will not continue charging, even if you have installed the "dload" of B003.
02-28 Seems that dload B112 stock on a patched B112 (via fasboot flash) gives you the full upgade (B016 and B0109 only were "delta" upgrades)
03-28 TheNearStock B111 link has been lost: I uploaded my copy from Jan18 here

Return to B003

If you have not updated to B105 and you are still on a Android 5.0 system you can install the B003 software again via "dload"
B003: Here you get the original B003 firmware which we could download directly from Huawei. Meanwhile it not available anymore, so we were lucky to save a copy.
It will work to do a manual firmware upgrade ( "dload") this, if you are still on a Android 5.0 version up to B015.



If you are on a Andriod 5.1.1, this may work also. But don't try this for fun.
You will loose the abilty to charge the battery.
This is because the method of charging the phone has changed in Android 5.1.
This specific charging method for Android 5.0 is not included in a Nandroid backup or any update.app (dload) files Huawei published.
So you could go back , but only do this with a full charged phone. Then you would be able to restore the NANDROID you have made as the first step before flashing the update. You will be able to look into some data, which you may forgot to save or for any reason else. But don't wait so long until your battery is empty. To return to Android 5.1.1 simply flash the boot.img, userdata.img and cust.img and system.img then do a "dload" to B105 (Andoid 5.1) Then you will be able to restore a 5.1.1. NANDROID of your last running system.


But in case of emergency and after you have tried everything else.
1 a install TWRP (if possible)
if not possible go to step f
b Wipe -> factory reset then
c boot into fastboot mode:
d to Step 2
f only if the above steps didn't work do this:
boot into fastboot and paste the follwing commands into your ADB windows (on PC) and press Return
fastboot erase userdata
fastboot erase boot
fastboot erase cache
fastboot erase recovery
fastboot erase system

2
Install on your PC the Huawei Update extractor
3 Extract the files boot.img , recovery.img, userdata.img, cust.img, system.img, cache.img
4 Flash boot, userdata and cust files: from your PC ADB window:
fastboot flash boot BOOT.img
fastboot flash userdata USERDATA.img
fastboot flash cust CUST.img
fastboot flash cache CACHE.img
then boot into TWRP and do a recovery of your last Andriod 5.0 NANDROID

5 Then you would be able start the system and do minimal configuration
6 then do a factory reset from the system.
7 a after reboot you can flash the rest via initiating update via running system
or via a manual "dload" :
- putting the folder "dload" with the B003 update.app into the root directory of a SD card.
- put the SD card into the phone and press Vol+ and Vol- and Power at the same time.
If something comes visible on screen, then release the power key and hold both knobs until the dload starts.
Maybe you have to connect the phone via USB to the PC, or flash the 5.0 recovery before you try this.
Please report if you came in this situation and tried this.
Please keep in mind: If you have came to this point, you will not be able to charge the battery anymore.
 
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milanvot

Senior Member
My 'old' GEM 701 converted to 703 got stolen. The only positive aspect of this event is I was able to repeat the conversion process again on a new 701 and verify the guide audioralf built so far.

My findings:
1. I was not able to do step 3.a (factory reset + internal SD format). The system didn't boot with TWRP 5.0 flashed no matter what I tried. Ii was rebooting back to TWRP in a loop. Then I did following:

1.a fastboot stock B15 recovery
1.b reboot,
1.c minimal setup (internal SD 3GB only).
1.d factory reset + internal SD card format. Completed with an error
1.e reboot
1.f minimal setup (internal SD size ok, >20GB)
1.g fastboot TWRP 5
1.h flash universal B111 cust
1.i fastboot stock B15 recovery
1j. dload B15 - no errors, wrong info
1.k fastboot TWRP 5
1.l flash universal B111 cust
1.m fastboot stock B15 recovery
1.n factory reset, no errors
1.o B15 intalled, info correct

2. dload B106 , no errors, wrong info
2.a fastboot TWRP 5.1
2.b flash universal B111 cust (info correct)
2.c fastboot stock B106 recovery
2.d factory reset, no errors
2.e B106 intalled, info correct

3. dload B109 , no errors, wrong info
3.a fastboot TWRP 5.1
3.b flash universal B111 cust (info correct)
3.c fastboot stock B109 recovery
3.d B109 intalled, info correct

4. OTA B111 , no errors, info correct

final note: it is important to flash universal B111 cust after each dload, otherwise the phone info is incorrect and following dloads/factory resets/OTAs will fail
 
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audioralf

Senior Member
Mar 12, 2011
1,325
378
Thank you for replying.
The steps you describe were steps to come out of the returning to TWRP.
I have updated the guide!
Reason:
I see that we have to install the original recovery to be able to do the factory reset from the running system (UI)
So I inserted the installing of recovery. It i circumstandly but it was a restrict advice from ajsmsg78 do run a factory reset from UI

I have inserted the universal cust like you have described everytime until step 5.
I was able do do the dload 106, 109 and 111 without any error and without installing the universal cust on each step.
If the "about info" is wrong it doesn't matter if you are already on B106.
The "universal cust" is integrated in the SimlpyGoogle Version, so everything is fine after you have installed that on the last step
I guess it is necessary to install the universal cust only on the step, where you are installing the B015 to make it a "703 device"
and on updating to B106 when it upgrades vom 5.0 to 5.1.1
So i keep the instructions in this way. I have a fully updated and good running system.
If anyone still gets problems, feel free to report here.
 
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audioralf

Senior Member
Mar 12, 2011
1,325
378
I edited my guide: First I thought it was because of flashing also the userdata.img. But this seems to be not the issue, but the missing recovery for the factory reset.
but I don't know if it is normal that you got this:
1.d factory reset + internal SD card format. Completed with an error
So let's hear what ajsmsg78 thinks about this.
 
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milanvot

Senior Member
I edited my guide: First I thought it was because of flashing also the userdata.img. But this seems to be not the issue, but the missing recovery for the factory reset.
but I don't know if it is normal that you got this:

So let's hear what ajsmsg78 thinks about this.

Yes, it is normal, because phone info is wrong at this time, universal B111 cust were not flashed yet. But internal SD got formatted in the process.
 
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audioralf

Senior Member
Mar 12, 2011
1,325
378
Ok to prevent this error message we should install the universal cust additional before this step?
Some more step ...
I suggest the easiest way is to install the universal cust at the first step when doing the TWRP backup, and then skipping to fastboot the normal cust.
I edited the guide for this variant and inserted the wipe for cache and dalvic.

Ralf via Tapatalk. GEM701L, B111Kangvip Rom
 
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iamhcg

Senior Member
Mar 26, 2011
233
38
Hi, is the B003 method also appy on my GEM-702l B005 version?
A while back, there's an ota and I've got my gem-702l updated to B005.
My current Android version is 5.0.1

qbXGsN1.png
 
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audioralf

Senior Member
Mar 12, 2011
1,325
378
Do a NANDROID this will bring you back.
I don't know if B003 would run on a 702. If if was delivered with b003 I would try it, if other solutions had failed. If you are still on 5.0 you will be able to restore the nandroid If it fails. I know from 1 person, who has successfully used this b003 package on a 701.
Please report if you had tried and what the result is.

Ralf via Tapatalk. GEM701L, B111Kangvip v2 SiGo
 

iamhcg

Senior Member
Mar 26, 2011
233
38
Do a NANDROID this will bring you back.
I don't know if B003 would run on a 702. If if was delivered with b003 I would try it, if other solutions had failed. If you are still on 5.0 you will be able to restore the nandroid If it fails. I know from 1 person, who has successfully used this b003 package on a 701.
Please report if you had tried and what the result is.

Ralf via Tapatalk. GEM701L, B111Kangvip v2 SiGo
 

Yes, B003 runs on gem-702l. My device is a TW version. The default ROM when I bought it was B003, then there was an OTA to B005 about 1 or 2 weeks ago. I am still on stock rom of B005. I am gonna give it a try. Thanks.

By the way, I read it from the previous thread that a B005 version was found in Huawei's official website but everyone's not sure about it. I believe Huawei indeed has a B005 for gem-702l. At least for a TW version.

Here's the download link I copy from the Huawei TW official website:
GEM-702LV100R001C209B005CUSTC158D001

---------- Post added at 12:06 AM ---------- Previous post was at 12:04 AM ----------

Ok, I have a new question.
The step 4:
"4. b This flashes all components of GEM-703L official stock ROM B015 via the dload folder. "

But my TW version has different 4G LTE bands from China gem-703l. Does that mean my bandbase will be modified by this process?

Thanks.
 
Last edited:

audioralf

Senior Member
Mar 12, 2011
1,325
378
We have never heard anyone loosing LTE bands. The hardware sets which LTE bands will be supported. The baseband drivers inside these packages seem to be designed for all variants.
 
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Clarice

New member
Jan 4, 2016
3
1
A(alternative) for installing a Stock B111 with GApps and Root

As of B109 Google Apps are missing from the ROM.
In case you want stay Stock B111 but don't want to live without the Google Apps, most notably the Play Store, here's a guide how to add them to a ROM. The guide takes place after you installed B111. I wrote it because I want to stay Stock.
Oh - you can indeed uninstall all Chinese Apps and some Huawei apps without root.

A(alternative) for installing a Stock B111 with GApps and Root

A10 - restart in fastboot mode
A11 - flash the TWRP for 5.11 from ADB cmd window with the command
fastboot flash recovery TWRP-ENG-5.1.1.img
A12 - download OpenGAPPS micro package from opengapps.org . NOTE: select ARM64 and Android 5.1 . The Huawei X2 is equipped with a 64bit processor
A12b - copy the ZIP to your external microsd (either with a USB Stick, or while in TWRP recovery and connected via USB)
A13 - boot into TWRP recovery and flash "open_gapps-arm64-5.1-micro-20160119.zip"
(A13b - you could also flash SuperSU at this step while you are at it)
A14 - IMPORTANT: Go to 'WIPE' in TWRP and do a full factory reset! Otherwise, when booted youll be greeted with a black desktop and only the status bar visible!
A15 - reboot into the system, configure it, and that's it. NOTE: Most Chinese mobile phones with Google Services missing won't let you add more than 1 Google Account from the Settings -> Accounts options. So, if you want to use more than 1 Google Account on your X2 , just fire up Google Mail and add the second, third, etc Google account in GMail. It'll be fully synchronized with your mobile then.

NOTE: You edited the system that way. Even if you do a factory reset from within the Android System, GApps and SU will stay.
 
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Aznbull

Senior Member
Aug 17, 2013
135
28
I have a problem, I can't run Huawei Update extactor on my win10 pc, it keeps saying " Huawei Update extactor stop working " and it terminates it self before the program even start. I've tried in al different compability mode, but none of them is working.
Anyone got an idea about whats wrong ?
 

ajsmsg78

Senior Member
Dec 6, 2008
5,164
4,618
Selden, NY
Huawei MediaPad X2
Huawei Mate 9
I have a problem, I can't run Huawei Update extactor on my win10 pc, it keeps saying " Huawei Update extactor stop working " and it terminates it self before the program even start. I've tried in al different compability mode, but none of them is working.
Anyone got an idea about whats wrong ?

Try this. Click Start, click Run, type MSIEXEC /UNREGISTER, and then click OK. Even if you do this correctly, it may look like nothing occurs.
Then click Start, click Run, type MSIEXEC /REGSERVER, and then click OK. Even if you do this correctly, it may look like nothing occurs, or you may briefly see an hourglass. After you run this command, the operation is complete. Reboot your computer, then try running it.
 

MURCIE'LAGO

Member
May 18, 2009
29
4
I am an owner of Mediapad X2 701L on B001 and there is no OTA update for my device. I used to have Mediapad X1 501u which didn’t get update too. So I converted it to 503L and managed to get updates. But this conversion uncalibrated my device sensors like digital compass and I didn’t manage to fix that.
I am very tempted to convert my 701L to 703L, but I’m just worry about four things?
1- Are the sensors calibrated and exact after conversion of 701L to 703L?
2- Is my LTE bands still supported in 703L?
3- How can I zip my cust? I haven’t managed to root my device yet, so I can’t use root explorer / is there any other method like updating my 701L to B003 locally? Any download link would be appreciated
4- Is there any method to restore my current ROM if I didn’t get good feedback from the conversion?

Many thanks in advance
 

audioralf

Senior Member
Mar 12, 2011
1,325
378
1 have no problems with Sensors
2 no problems with LTE
3You must unlock anb install TWRP for 5.0
Then install superuser.
Then install a filemanager to be able to copy your \cust folder to discard
Then copy it via usb to pc
Then zip this folder
Then send it to ajsmsg78 or upload it to dropbox and publish the link
It does not contain any personal data. You will see this on the filedate.
There are done people waiting for you, who have already flashed a new firmware and have problems because ajsmsg78 has to integrate some files from your cust to the universal cust.
4 you can make a nandroid Backup of your System to return. So after flashing B003 you would be able to restore you're backup, and you will be back on b001.




Ralf via Tapatalk. GEM701L, B111Kangvip v2 SiGo
 
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Aznbull

Senior Member
Aug 17, 2013
135
28
Try this. Click Start, click Run, type MSIEXEC /UNREGISTER, and then click OK. Even if you do this correctly, it may look like nothing occurs.
Then click Start, click Run, type MSIEXEC /REGSERVER, and then click OK. Even if you do this correctly, it may look like nothing occurs, or you may briefly see an hourglass. After you run this command, the operation is complete. Reboot your computer, then try running it.

It doesn't change anything, still can't run the software.
 

audioralf

Senior Member
Mar 12, 2011
1,325
378
For what do you need the extraxtor? The files you need are already extracted and linked in my guide.

Ralf via Tapatalk. GEM701L, B111Kangvip v2 SiGo
 

Aznbull

Senior Member
Aug 17, 2013
135
28
I know that you already linked the files i needed, I just wanted to try everything out before I jump in all this flashing to another version. Just to make sure that if the link you provide all of a sudden is dead, I still can extract the files my self.
 

servergame

Member
Jun 6, 2009
6
1
I have a gem-702 b006
They are blocked in step 4 b
when you restart hangs straight at 0% and does not install the dload b015
how to solve?
I also recharged 2 times "fastboot flash recovery RECOVERY.img"
 

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  • 19
    This thread is a continuation of existing threads, which started when Model 701 was not out yet.

    Update 2017-04-22
    Since we have verified that the "downgrade script" opens the door for multiple Mediapad X2 models we have much easier way:

    Do a full backup with Huawei Backup Application ("Datensicherung") and copy all stuff from internal sd to external which you put manually on it.
    For push applications like whatsapp do a backup of chat in whatsapp, manually on your google drive.
    Unlock bootloader
    https://emui.huawei.com/en/plugin/unlock/detail
    create account, via selecting Honkong as localisation.
    Then login on https://emui.huawei.com/én/plugin/unlock/detail
    If it's redirected to a EMUI site, then simply call the link again https://emui.huawei.com/en/plugin/unlock/detail
    check the agree box and fill the page with: "Before EMUI 5.0" and put model name in the field "GEM-701L" or "GEM-702L"
    Then fill out the rest (you have to optain the productID via entering in Phone as if you will make a call: *#*#1357946*#* )
    Then Huwaei will give you the bootloader code directly on this page.
    install minimal adb and open cmd window
    connect phone and start with VOL down key
    type: fastboot devices
    if you get no answer you'll have to update the windows driver to "ADB sooner single interface"
    if you get answer type
    fastboot oem unlock xxxx (wher xxxx is the bootloadercode you got from page above)
    Do factory reset from EMUI (not from recovery, it will work, but you'l get problems later)
    if you had replaced the original recovery with TWRP you must flash it back:
    fastboot flash https://drive.google.com/file/d/0B5TWnuLR7ugZRmdVdEhzdjM3Tms/view?usp=drivesdkrecovery.img for B003 or B005 back if you already replaced it.
    then download the "downgrade script" . Unpck the rar and put the dload folder to internal SD
    Select Update in EMUI settings menu and select "local upate" and then "full update" from internal SD.
    Then download the from the very slow huawei server B202 full package (DEMO) and put the dload folder to external SD (or internal)
    Start system and select update and "local update" and install it.
    Then boot in bootloader/fastboot mode again via VOL - key and flash TWRP for Android 6.0 via adb: fastboot flash recovery TWRP-ENG-6.0-BLACK-BLUE.img
    If you install it via fastboot flash recovery2 TWRP-ENG-6.0-BLACK-BLUE.img , you will not overwrite the original recovery, which is need for factory reset or dload) If recovery is on recovery2 then you must keep a USB connection to PC to be able to start the TWRP. Otherwise remove USB cable before you boot into TWRP.
    Start TWRP via holding VOL + Key via starting the phone and allow modifications and then press Install button and select external SD and then the kangVIP 212 V2
    Or now newest version KangVIP V3 from thread https://forum.xda-developers.com/showthread.php?t=3215851
    Wipe cache and dalvic and reboot to system.
    Wait several minutes until first boot is finished. If you already have apps installed (dirty flash over existing KANGVIP) this may take up to 40 minutes)
    If you need to do a factory reset from EMUI you will need the original Huawei recovery B202 wich you can install via fastboot
    Restore your apps from Huawei Backup, besides Whatsapp.
    Install whatsapp and then the question comes up to restore your backup.
    3
    AJ and I recommended this way:
    0) Backup your data with Huawei Backup to external sd card, unlock bootloader and install TWRP 5.0
    1) Factory reset in TWRP
    2) Fastboot flash B015 files: boot, cache, system, userdata but not recovery
    3) Boot into TWRP and flash Universal Cust Mod 112
    4) Fastboot flash recovery.img for B015
    5) Start system and check to make sure About Phone info is correct. Then select in EMUI "factory reset" and check erase internal storage
    6) After phone reboots check to make sure About Phone is correct again, if not fastboot flash twrp and flash the universal cust mod then fastboot flash back the stock recovery. (from B015)
    7) Do dload method via EMUI firmware update menu, manual local update, full package to B015
    You must do this step to properly update and convert to a 703L.
    After the dload to B015 finishes (it should go to 100% but might fail at 98% ) you are officially converted to a 703L.
    8) When about phone information is wrong always flash twrp and install the universal cust mod, then flash back the stock recovery.
    9) Delete the update.app in dload folder and replace it with update.app for B106 version.
    You are still on 5.0 B015
    Do factory reset including formatting internal sd from EMUI menu. You are still on B015
    Boot this with minimal configuration
    Then go into emui firmware update and select again full package for B106.
    10) After reboot you should be able to select firmware update 'ota' directly to B112 from EMUI menu.
    11) When you are on B112, copy the update.zip for Android 6.0 B209 or B211 to dload folder and delete the update.app in this folder.
    Go to EMUI firmware update menu and select incremental local update.
    12) After this lead you to 6.0 , install AJ s rooted Rom kangvip B112:
    - flash TWRP 6.0 and install that Rom and be 5 minutes patient on first boot.
    13 )Now do full configuration and restore your app and settings from Huawei backup


    My device: 701->703 Kang VIP B209
    2
    THE REST BELOW THIS LINE HERE IS ONLY FOR HISTORICAL INTEREST or for people who have already updated to 5.11
    ################################################################################


    Update 2016- 04 -05
    See short way with B112 on http://forum.xda-developers.com/showpost.php?p=66156287&postcount=215
    Hint: This seem not a 100% convesion to 5.1.1 because storage handling did not change.
    Advantage: You may goback to B003 with a nandroid.
    Unverified: If it can still charge on such a rollback

    ----------------
    Meanwhile we have figured out how to flash a new ROM even on GEM 701 L.
    Thanksgiving to all who have participated in this. Especially to ajsmsg78, eennap, ZeuseZ, and Ante666
    I you have a 703 Model, you can simply upgrade via OTA and then go to one of the threads ajsmsg78 made and choose which ROM you like.

    If you have Model 701 oder Model 702 you can use this thread, if you already have at least firmware B003 on your device.

    Current situation in Jan 2016:
    If you have a firmware B001, or B002, then zip your folder "/cust" and send it to ajsmsg78.
    Then he would integrate it into the "universal cust". Please wait until he did this.
    The "Universal Cust B112" hast the filename variant "UNIVERSAL-CUST-B112.zip"

    Later if you install the SIMPLY_GOOGLE ROM Version a variation of this "cust" will be automatically installed then it is called "Simply Google B111 Cust".
    If you install a B111KangVip or the NearStockB111 the "universal cust" also is integrated

    Don't worry about the names, it is used to display the correct Roms name.

    If you have 701 or 702 model, you may have heard, that Huawei published firmware only for the 703 model.
    So we have to convert our device into a 703 model, by keeping it's hardware based additional LTE bands.
    If you have converted by doing the following steps to B015,
    you will be able to upgrade Android 5.0 to Android 5.1.1 on the follwing steps for D106
    ---------------------------
    Update 2016-28-02
    It seems possible directly install the B112. So much easier now. Just flash 4 B015 files, install the "universal cust B112" and then do "dload" procedure for B112.
    Then you are on stock B112 can can flash the stabile "Near Stock B111". I have edited the new way in the post below
    ------------------------------------------------------------------------------
    After that you will be able to install updated directly from Huawei via the OTA (Over the air) method, if you have a stabile WLAN connection.
    This does not give you a direct jump from B106 to B111 (or B112) , so don't try this on the "dload" method.
    My experience was that some components are not updated if you skip a version. Evidence see here

    Alternatively you will also be able to do manual "dload" processes.
    This both methods lead you up to version B112
    After this you can install one on ajsmsg78 ROMS.
    They differ in the composition of removing and adding components.
    So look which version is the best for you and check, if it is up to date or maybe discontinued.

    This are the steps to flash from 701L (B003) to custom firmware

    Be aware: Don't try to return to B015 or B003 (Android 5.0), after you have once installed Andoid 5.1.
    You will loose the ability to charge the phone in this case.
    But it is possible temporary go back. For this you will find the guide in post 2 of this thread

    If you have a lower version like B001 or B002 you MUST save your folder /cust to a zip fle and send it to ajsmsg78 and ask for advice!

    Don't start flashing in this case!


    If you already have a higher version than B003 you can skip the steps which lead to your version.
    If you have B006, it seems that you can not upgrade. You must first downgrade to B003. Please report if you find a way.
    Maybe you can do the dload for B112. Try this and report!

    In case if you want to return to B003 there is a possibilty - > this is documented at post 2


    ----- To those who have already installed: Please check if there is missing something or wrong and leave a comment. ---
    Steps are numbered to be compatible to then numbering of eennaps guide. (Some steps differ, because of newer cognitions.
    - First of all: Be sure you have enabled USB debugging on your device. Otherwise you can not go into "manufacture mode" for DC - unlocker
    To enable this you have to select "about phone" and tap 7 times on the "build number". After that you will find "developer options" in main menu.
    - install ADB or got to ADB XDA Forum
    - if you are on Win 10, then install Hisuite (for DC - unlocker manufactur mode drivers)
    - Unlock Bootloader via DC-Unlockerr (see [https://drive.google.com/file/d/0By1mhgPLc1LqUzV0QVVRWmpBWlE/view?usp=sharing] reduced eennaps document just for the unlock chapture [/URL] for these steps )
    If you get you code from Huawei, just open cmd window on PC and type
    fastboot oem xxx
    and replace xxx with the bootloader code you got from Huawei or DC-Unlocker software
    If you have an unlocked phone you can start with these steps
    Step 1
    1.1 a - Download 2 TWRP versions

    To download the files from Google drive klick on the little download icon. NOT ON THE FOLDER

    5.0: https://drive.google.com/file/d/0By1mhgPLc1LqSlRTRVhmbjhTcjg/view?usp=sharing
    5.1.1 https://drive.google.com/file/d/0B5I_q70mNuR4QkFzM2xOWVlvRkk/view
    and put both files into your ADB folder on Windows PC.
    1.1 b
    - Download 4 Files from Firmware B015 which I have extracted via Huawei Update extactor
    BOOT.img, https://drive.google.com/file/d/0By1mhgPLc1LqeGNLc0VKRVRNR2s/view?usp=sharing
    RECOVERY.img, https://drive.google.com/file/d/0By1mhgPLc1LqTVd0c3FYVWJrVlU/view?usp=sharing
    SYSTEM.img https://drive.google.com/file/d/0By1mhgPLc1LqZWY2SHJuaXB4YUk/view?usp=sharing
    USERDATA.img. https://drive.google.com/file/d/0By1mhgPLc1LqeTJITEhGRk9ZNGs/view?usp=sharing
    You can check the MD5.
    1.1 c Copy these 4files into your ADB Folder on PC

    1.1 d : insert a at least 32 GByte Class 10 SD Card. (better 64 GByte)
    B: Copy all your content from the internal drive to the external SD card in a folder (for example name it "int_SD_Backup")
    1.1 e: download ajsmsg78's "universal cust" and put it to the external SDCard.

    1.1 d: Download at least the first 2 files (if you later want to go via OTA ) or all 4 Firmware versions, if you prefer the offline "dload" method for all files.
    edit: It seems it is sufficient only download the B112 stockhttps://www.androidfilehost.com/?fid=24385226645962831
    optional: B015
    and also optional: B106,
    optional: B109, and B111 if you prefer the dload method for these versions, too. For this download them from here
    Step 1g-unzip these files to your PC and copy later step by step the unzipped folder "dload" of version B112 to your ext SD-Card (root directory not in subfolder)
    I used a external USB SD Card Reader, this is faster than to copy via USB. But both works.
    1.1 h: I recommend fist do download a near stock Variant NearStockB111 [/B] an put it on your external SD Card.
    But you can also download B111KANGVIP or the much more dbloated "Google" ROM SimplyGoogle and put the zip file on the external SD-Card. Be aware: these 2 last variants do not include the Huawai Backup appliation to restore your saved configuraton. And the SimplyGoolge Variant is not stabile at this point of time.
    After 4 weeks testing the Kangvip V2 and Simply Google (made in Feb 2016) I return today to "Near Stock", because KangVipV2 has white icons on white background on navigation bar when you hold in landscape mode. SimplyGoogle has not the full features of boot menu and a
    advanced settings and you can not install XPOSED on it. So I recommend the "Near Stock". I saw no added features between 111 and 112.
    I believe it is just to skip B109. This makes things easier. I update the guide for this today (2016-02-24)

    1.1 i On Phone: Start the Huawei Backup App (Icon "Backup" or german: "Datensicherung")
    and do 2 Backups on SD Card (one for account and settings and one for your apps)

    1.1 j: Restart Phone in BootloaderMode (Vol - and Power Key while USB Cable is connected)

    1.2.a On Windows PC: Do a Shift-Key-right-click on the ADB folder and select "open command here" .
    Then type in the cmd window the following command to Flash X2_TWRP_CN_5.0 (not yet version 5.1 because it does not start on a 5.0 System)
    fastboot flash recovery TWRP-ENG-5.0.img
    (this takes 2-3 seconds)
    1.2.b Remove USB cable and press Power Key until screen is dark
    then press Vol + and PowerKey and hold until something comes on screen
    then release PowerKey and hold Vol+ Key until TWRP starts.
    1.2c Make a "NANDROID" of your current ROM
    press "Backup" Button.
    press the last line "storage:" and select external_sd
    swype for backup and wait (about 4 -10 minutes until message [Backup Completed ....])
    - press home key (bottom left)
    1.2d WIPE CACHE and DALVIC
    from main menu select "Wipe" and then "Advanced Wipe"
    check "Dalvic Cache" and "Cache"
    swipe to wipe
    press home key (bottom left)
    1.2e press Install and select UNIVERSAL-CUST-B112 (this is the universal cust) and swpe to install (maybe change "storage" to find it)
    Step 2a) boot into fastboot (Vol - and power key)
    - on windows in command window go to the ADB folder and type the following commands.
    I highly recommend to copy the black lines from here an paste in the adb window to prevent typos.
    Step 2b
    If you come from B003 you can directly flash thes 4 files from the B015 version

    fastboot flash boot BOOT.img
    fastboot flash system SYSTEM.img
    flashing system takes some minutes and does several actions. Wait until all are finished
    fastboot flash userdata USERDATA.img
    fastboot flash recovery RECOVERY.img
    fastboot reboot

    New: --> Try to skip step 3 and directly go to step 4a to "dload" the B112 stock

    3a reboot system and do minimal setup and select "Settings" and scroll down for the "Backup and reset" menu.
    3b select "Factory data reset" and check "format internal SD" (Remember : you had copied everything to SD Card and made a backup with the Huawai Backup Application. So you can do this risk free)
    EDIT: (see post 3 and 4 normal recovery is necessary to do the factory reset)
    3c after system reboots, shut down by pressing powerkey to be able to install the "universal cust"
    - boot into fastboot mode and flash vom ADB window:
    fastboot flash recovery TWRP-ENG-5.0.img
    then and boot into TWRP and
    3d press "Install" ,select KANGVIP-B111-CUST-MOD.zip and swype to flash. (you have to disable the MD5 verification checkbox.)
    3f - boot into fastboot mode and flash the B015 recovery.img again which you had uploaded on step 1.1.b , because system needs it for the dload process in step 4.
    fastboot flash recovery RECOVERY.img

    Update 2016-28-02
    4. a then reboot the machine and select from "options" -> "Update" and press menu icon for "manual firmware update" and select update from ext SD Card. This flashes all components of GEM-703L official stock ROM B112 via the dload folder.
    --> Now go to Step 6



    4. b If you come from B006 and and you run into error, you could try to dload the B106 update.app on this step. If this fails you have to install the B003 first and then flash the B015 and go on.
    If you come form B006 and decide to stop the whole process you can restore your backup and then install B006 recovery

    If you come from B006 the latest tests show that you first have to install the B003 and then start from the beginning of this thread

    If you do the "dload" for B106 then it might might fail at 98%, because you have not installed a full B015. But don't worry, you can go on in the next steps without any errors. We have tested, if this can be prevented via dload B015 first. Some people reported it worked, but I seems not to be neccessary, so I removed this point in the guide

    THIS is the point where you change from Android 5.0 to Android 5.1
    5 g Reboot Phone, do a minimal configuration and select "Settings" and scroll down for the "Backup and reset" menu.
    5 h select "Factory data reset" and check "format internal SD" This is important because now you are on Android 5.1.1 and the internal SC Card handling has changed.
    5 i wait until reset is finished and the system starts again: Do again minimal configuration
    5 j Then go to the firmware update menu and check if there is a OTA update available
    5 k Select firmware update B106-> B112 (this comes via OTA)



    6 If you have installed the B112 reboot the system and do a minimal configuration[/B]
    7-9 dropped, because we don't need to install B109 and B111 stock anymore
    Don't worry about the the info in "about phone" that internal Memory is only 1 GByte and you were on Android 4.1.1
    This is, because the 703 firmware is running on a 701 or 702 model.
    This is only a display issue. This will be fixed via the "universal cust", which will be automatically again installed later.

    10 reboot into fastboot to flash the new TWRP
    11 fastboot flash recovery TWRP-ENG-5.1.1.img[/B]
    12 reboot into TWRP and make a backup of this clean stock B112, to be able to do a upgrade to Android 6.0 in future.

    The next step will install the first custom ROM on your device wich will fix the problem with the wrong display of memory and Andriod Verision
    13. Press "Wipe" and do a factory reset within TWRP
    14 Press "Install" and install NearStockB111 from your external SD Card.
    15. select Press Button "WIPE" and "Avanced" and check boxes to wipe cache and dalvic and Data and reboot into system.
    16 go for coffee and after about 5 minutes later you are in B111 KangVip. :)
    Now check in the "about phone info" if, Version = Android 5.1.1 and your Memory is correct.
    This version is made from B111. I tested KangViPB112 and found no advantage in it. It was not stabile with KANGVIP V2. It has ab bug on the navigaton bar in landscape mode. On some apps you will have white icons on white background. So I advice to stay on B111 KangVipV1 near Stock. It is stabile and has the most feature. And you can install Xposted via the playstore Xposed installer, too.

    17. do a full configuration. Maybe your 5 MHz WLAN will not be displayed. Then turn WLAN off an on or do a reboot to fix that.
    18. Go into Advanced Settings in Settings and uncheck Lunar Calendar and Desktop Weather Lunar (if you see chinese letters somewhere)
    19 Start Huawai Backup application and select your backupfiles to restore (first the accounts then apps)
    If you can't find Huawei Backup look inside app folder of this link on phone and click on HWALLBackup and "install"
    20 If you don't like gmail, install "myMail" app from playstore.
    20 If you don't see SuperSu, you can alternatively use "Kingroot" and do start konfiguration inside to get the full control which apps will be allowed to have root access

    You have alternatives which custom ROM you could flash via TWRP later:

    NearStockB111: You have already installed this, if you followed this guide.
    I advise to use this version. It is stabile.
    It does not contain Supersu, but it uses KingRoot. (You can change to SuperSu)
    This means you will be rooted and have control via the Purify app on the root authorization and autostart via this alternative
    you will not have the whitescreen bug which has something to do with conflicts between SuperSu and KANGVIP Tools V2.

    This version is almost like the stock B111, rooted but without chinese bloat ware: NearStock B111
    You will find all Huawei system apps and the Backup.app where you can recover all your saved data

    The other 2 versions do not include the Backup app. You can install them later.

    KangVipSlim : Version with reduced system apps and "old" KangVipTools V1" very less Google staff go here
    21. Goto http://forum.xda-developers.com/mediapad-x2/development/rom-kangvip-5-1-1-b108-t3215851

    SimplyGoogle with KangVipTools V2 (And Supersu) and integrated Xposted SimplyGoogle
    and read whats new on the release and don't forget to press thankyou button for asjmsg78

    Be aware on SimplyGoogle: On the first boot, there may be a window form Superuser (SuperSu), which asks for permisson to "KangVipTools"
    You must give permanent access, otherwise you will get a white sceen and you would not be able to use the Rom.
    This is currently a known problem and might be solved later.
    There are some unsolved problems with "Xposed" on this version.

    If you ever want to start the whole process again from B106 then
    download the 5.1.1 recovery from B106
    --- reserved ----
    01-15 installing the recovery is nevertheless necessary to do a factory reset on step 3 b
    01-16 reduced the word document to just the steps for DC-unlocker
    inserting installing universal cust on start
    and wipe dalivic/cache
    and skipping flashing normal cust (ajsmsg78 says this will work)
    01-17 changing the link for the cust to the "universal cust", because of the includes ROM name. This may be confusing on this process.
    01-18 inserting a format of internal SD card. Someone reported it was not correct after the whole process.
    inserting wipe also data to prevent the while screen bug on the first start of SIMPLY GOOGLE
    replacing SimplyGoogle with the NearCustB111 variant as first Custom Rom, because it includes the Backup.App from Huawei.
    01-19 the error free dload on the B015 is confirmed. This is because we inserted to flash the universal cust before and skipped to install the cust.img
    added reset and format internal sd directly after first android 5.1.1 installation
    If you use the NearStock Rom you have to launch kingroot an do start konfiguration inside.
    01-24 Moved the steps for returning back to Android 5 to this post 1, because it is a fact, that the phone will not continue charging, even if you have installed the "dload" of B003.
    02-28 Seems that dload B112 stock on a patched B112 (via fasboot flash) gives you the full upgade (B016 and B0109 only were "delta" upgrades)
    03-28 TheNearStock B111 link has been lost: I uploaded my copy from Jan18 here

    Return to B003

    If you have not updated to B105 and you are still on a Android 5.0 system you can install the B003 software again via "dload"
    B003: Here you get the original B003 firmware which we could download directly from Huawei. Meanwhile it not available anymore, so we were lucky to save a copy.
    It will work to do a manual firmware upgrade ( "dload") this, if you are still on a Android 5.0 version up to B015.



    If you are on a Andriod 5.1.1, this may work also. But don't try this for fun.
    You will loose the abilty to charge the battery.
    This is because the method of charging the phone has changed in Android 5.1.
    This specific charging method for Android 5.0 is not included in a Nandroid backup or any update.app (dload) files Huawei published.
    So you could go back , but only do this with a full charged phone. Then you would be able to restore the NANDROID you have made as the first step before flashing the update. You will be able to look into some data, which you may forgot to save or for any reason else. But don't wait so long until your battery is empty. To return to Android 5.1.1 simply flash the boot.img, userdata.img and cust.img and system.img then do a "dload" to B105 (Andoid 5.1) Then you will be able to restore a 5.1.1. NANDROID of your last running system.


    But in case of emergency and after you have tried everything else.
    1 a install TWRP (if possible)
    if not possible go to step f
    b Wipe -> factory reset then
    c boot into fastboot mode:
    d to Step 2
    f only if the above steps didn't work do this:
    boot into fastboot and paste the follwing commands into your ADB windows (on PC) and press Return
    fastboot erase userdata
    fastboot erase boot
    fastboot erase cache
    fastboot erase recovery
    fastboot erase system

    2
    Install on your PC the Huawei Update extractor
    3 Extract the files boot.img , recovery.img, userdata.img, cust.img, system.img, cache.img
    4 Flash boot, userdata and cust files: from your PC ADB window:
    fastboot flash boot BOOT.img
    fastboot flash userdata USERDATA.img
    fastboot flash cust CUST.img
    fastboot flash cache CACHE.img
    then boot into TWRP and do a recovery of your last Andriod 5.0 NANDROID

    5 Then you would be able start the system and do minimal configuration
    6 then do a factory reset from the system.
    7 a after reboot you can flash the rest via initiating update via running system
    or via a manual "dload" :
    - putting the folder "dload" with the B003 update.app into the root directory of a SD card.
    - put the SD card into the phone and press Vol+ and Vol- and Power at the same time.
    If something comes visible on screen, then release the power key and hold both knobs until the dload starts.
    Maybe you have to connect the phone via USB to the PC, or flash the 5.0 recovery before you try this.
    Please report if you came in this situation and tried this.
    Please keep in mind: If you have came to this point, you will not be able to charge the battery anymore.
    2
    So, to summarise the steps with audioralf's guidance:

    1. Unlock bootloader, flash TWRP & root - see guide by ajsmsg78 http://forum.xda-developers.com/med...apad-x2-unlock-bootloader-root-guide-t3212325
    a. note that audioralf suggests that TWRP 5.1.1 should work even though on android 5.0 at this point - I didn't get to test this & needed to upgrade in step 7.
    b. Once rooted, reboot & use a file manager to zip up the cust folder from the root of the internal sd & copy that to a safe place (I believe this is a precautionary step in case you need to get back to original state)
    2. Download the following in prep for steps 3 & 5 (see post #1 for the links) - place onto the root directory of the external SD card
    a. Universal Cust B112.zip - copy as is to the root directory of the external SD card
    b. B112 firmware - unzip & copy the 'dload' folder with the B112 update.app into the root directory of the external SD card
    c. NearStockB111.zip - copy as is to the root directory of the external SD card
    3. Boot into Recovery mode (vol up & power button)
    a. Do a backup (in case you ever need to get back) - change the backup location to the external SD card first.
    b. Install universal cust B112 you downloaded in step 2
    c. Do a full wipe
    4. Boot into Bootloader mode & use fastboot - for help see guide by Benjiro http://forum.xda-developers.com/mediapad-x2/general/mini-guide-adb-installation-usage-t3183906
    a. Use fastboot to flash the 4 B015 img files (boot, system, userdata, recovery) - see post #1 for links & exact syntax to use.
    5. 3 finger salute - to invoke the manual update to B112 (it will pick up from the dload folder you did in step 2)
    I ran this twice (1st time I wasn't sure how far it got before giving an error, 2nd time it got to > 95%)
    6. Reboot (note it takes a while as it completes the upgrade to 5.1.1), and skip past screens to check the About phone & I noted it said Android 4.3, 1gb ram, EMUI 2.0 (this is just a temporary blip - that is fixed with cust 112)
    7. Upgrade to TWRP 5.1.1 (if you hadn't already used this in step 1)
    a. Boot into Bootloader mode (vol down + power button with usb connected to pc/laptop - with ADB & drivers installed - see step 4 above)
    b. fastboot TWRP 5.1.1 (if you had used TWRP5.0 in step 1) - syntax: fastboot flash recovery TWRP-ENG-5.1.1.img
    8. Boot into Recovery mode (vol up & power button)
    a. Select backup (so you can get back to stock B112 to upgrade to Android 6.0 in the future) - change the backup location to the external SD card first.
    b. Select Wipe - and do a factory reset
    c. Select Install and choose the NearStockB111.zip from your external SD Card.
    d. Select Wipe & choose Advanced Wipe & check boxes to wipe cache and dalvic and Data
    e. Reboot into system.
    It took a few minutes to reboot & when I checked About Phone it says Android 5.1.1, 3gb Ram

    Hope I haven't missed anything

    ps: Apart from the Nandroid backups & zip of cust folder, these steps do not cover backing up your apps, data, etc & then restoring - as I don't bother with this - I just rely on google sync & re-install apps I want.

    Many thanks to audioralf !
    2
    We have a KangVIP v3 https://forum.xda-developers.com/showthread.php?t=3215851and https://forum.xda-developers.com/showthread.php?t=3215815TWRP update



    My device: Mate 9 supersu B190 Mediapad X2 GEM 701->703 B212 KangVIP (AJ mod)