Unbrick BIOS-Softbrick on X98 Air m5c5 withouth EEPROM Flasher - courtesy of ionioni

[cubeikon]

Is this procedure a SAFE way of flashing the 1.00 dualbooting BIOS to a fully working M5C5 X98 Air III?

 

[Seronx]

....

 

[juan3211]

Hi, I have a M5C5 tablet with dual boot bios installed a week ago. I successed installing windows 10 and android. But today, the tablet only boots into SHELL.

I can get into DNX FASTBOOT mode, and I have tried to unbrick it with this method (I don't mind to loose dual boot, I want to unbrick it)

This is the CMD windows log:

D:\fastboot.exe devices
Baytrail00000726        fastboot

D:\fastboot.exe flash osloader efilinux.efi
sending 'osloader' (2463 KB)...
OKAY [  0.115s]
writing 'osloader'...
OKAY [  0.002s]
finished. total time: 0.122s

D:\fastboot.exe boot restore_bios_m5c5.img
downloading 'boot.img'...
OKAY [  0.729s]
booting...
OKAY [  0.000s]
finished. total time: 0.731s

After the first two commands, the tablet shows the same text:

Entering DNX mode.
Waiting for fastboot command...

But after the last command I get this text:

Entering DNX mode.
Waiting for fastboot command... EFILINUX [   0.000428] ERROR  [fs_init:226] No de
vices support filesystems
EFILINUX [     0.001628] ERROR  [efi_main:529] fs_init failed, DnX mode ?
EFILINUX [     0.002756] ERROR  [get_path:334] Couldn't find boot device handle

Does anybody what can I try ???

I have already enter BIOS and reset defaults. I have BIOS tPad 1.00 (it is the dual boot bios version), I can also enter DNX MODE, but I don't know what these messages mean.

I have also try to flash stock rom, and this is the log from Flash_Tool program:

04/06/16 22:20:21.747  INFO   : Manufacturing Flash Tool V 6.0.51 (build on Tue Oct  7 14:14:35 PDT 2014)
04/06/16 22:20:21.753  INFO   : Loading settings from C:/ProgramData/INTEL/Manufacturing Flash Tool.ini
04/06/16 22:20:21.764  INFO   : Using Qt version: 4.8.1
04/06/16 22:20:21.764  INFO   : Using XFSTK version: 1.7.1.
04/06/16 22:20:21.770  WARNING: Please select a flash file...
04/06/16 22:20:46.334  INFO   : Loading Flash file (D:/zx/Firmware programs/flash.xml)
04/06/16 22:20:46.365  INFO   : GP_Flag is set to 0x80000045
04/06/16 22:20:46.367  INFO   : Ready to flash!
04/06/16 22:21:22.453  INFO   : do_new_medfield_device STARTING TO FLASH
04/06/16 22:21:22.455  INFO   : Port 0/0/2   #0: DNX/droidboot phase - SN : Baytrail00000726
04/06/16 22:21:29.404  INFO   : Port 0/0/2   #0: Booting to droidboot.img success - SN : Baytrail00000726
04/06/16 22:22:58.701  INFO   : Port 0/0/2   #0: Flashing OS
04/06/16 22:22:58.702  INFO   : Port 0/0/2   #0: fastboot -s Baytrail00000726  oem start_partitioning
04/06/16 22:22:59.154  INFO   : Port 0/0/2   #0: fastboot -s Baytrail00000726  flash /tmp/partition.tbl "D:\zx\Firmware programs\partition.tbl"
04/06/16 22:22:59.919  INFO   : Port 0/0/2   #0: fastboot -s Baytrail00000726  oem partition /tmp/partition.tbl
04/06/16 22:23:00.342  WARNING: Port 0/0/2   #0: Failed to execute "fastboot  -s Baytrail00000726  oem partition /tmp/partition.tbl": 
...
FAILED (remote: GPT command failed
)
finished. total time: 0.129s
04/06/16 22:23:00.593  WARNING: Port 0/0/2   #0: Retry to execute fastboot -s Baytrail00000726  oem partition /tmp/partition.tbl
04/06/16 22:23:00.985  WARNING: Port 0/0/2   #0: Failed to execute "fastboot  -s Baytrail00000726  oem partition /tmp/partition.tbl": 
...
FAILED (remote: GPT command failed
)
finished. total time: 0.119s
04/06/16 22:23:01.236  INFO   : do_flash_finished END OF FLASH
04/06/16 22:23:01.236  ERROR  : Port 0/0/2   #0: Flash failure

Hope anyone could hep me.

Thanks a lot.

 

[ozerec88]

hello i have the same problem with my m5c5 but it don't work for me.
i have this message:
entering dnx mode.
waiting for fastboot command.... efilinux [ 0.000449] ERROR[get_parth:334] couldn't find boot device handle.

i use driver from TecKnight's Teclast Tutorials series.
i try under linux and same problem.
[email protected] ~/Téléchargements $ sudo fastboot devices
Baytrail02D31E57 fastboot
[email protected] ~/Téléchargements $ sudo fastboot flash osloader efilinux.efi
sending 'osloader' (2463 KB)...
OKAY [ 0.109s]
writing 'osloader'...
OKAY [ 0.008s]
finished. total time: 0.117s
[email protected] ~/Téléchargements $ sudo fastboot boot restore_bios_m5c5.img
downloading 'boot.img'...
OKAY [ 0.791s]
booting...
OKAY [ 0.003s]
finished. total time: 0.794s

tablet wait ~30s and restart on red logo and bootloop.

i upload my original bios but not dual boot:
https://drive.google.com/open?id=0B_A8FEPnUL61WHQ4RzAxOXpzZGM

edit: problem solved for me thank you ionioni!!!!!

Hi,
I have exact same problem as bosondehiggs. "couldn't find boot device handle." when I try to flash the restore bios.img. I used the file with the link at top of thread.
Any idea?
Thanks for your help

Hi,

the same problem to me on my Teclast Air III !!

I hope anyone who solved the problem can help us ...

Thx a lot

Alex

I flashed my M5C6 softbricked with the BIOS for C5J8 (2.05c) from the other post and it works now my tablet. The only problem I had me too is that the system doesn't reboot automatically after flashing process like @acnic so after 7 minutes I rebooted manually (with all my fingers crossed), finally the tablet has started like usual (I did the restore default settings into BIOS).
Now the only "problem" I had is that when I shutdown the system from Android or W10, I can't restart with power button so I need to press 10s before to can start the system again, Someone have an idea of this behaviour?
Many thanks again for your incredible work and support!!
Santi

Enviado desde mi SM-G900FD

Hello Guys, and sorry for quote you at the same time (santi,soy español) , I dont know if the @ionini tool worked foir me (the othe thread), now I have a '9c' beside the charge icon when the tablet is off. Means that I have the C5J8 bios now? When I switch on the tablet i still stuck in efi shell screen. And with this img of this thread I have 'couldt find device handle' .

Hello blackbile, I bricked using the flashing method from Techknight's. I have unbricked with your guide (BIOS from C5J8)

Enviado desde mi SM-G900FD

Hello @Gitanitos, eres español? Do you have a M5C5?The img of the OP worked for you?

Hi all,

I also had a softbricked M5C5 and had the same problem as some others here before that the M5C5 unbrick image isn't working.

I've took the risk and used @ionioni 's unbrick image for the C5J8 (http://forum.xda-developers.com/x98-air/help/unbrick-bios-softbrick-x98-air-3g-id-t3285191) to unbrick my M5C5 because I saw that this is starting and it worked with the M5C6 (http://forum.xda-developers.com/showpost.php?p=64748483&postcount=18).

Now my M5C5 has a working dual boot bios so the recovery was successfull.
Thank you so much @ionioni for the great work & @Gitanitos to try it on the M5C6.

Hello @Calimero1205, do you have a small '9c' beside the charge icon when the tablet is charging? I dont know if the CJ58 worked for me... I have a small 9c charging.. means that worked?

I have the very same issue... I cannot flash anything, either this BIOS or a Mirek ROM. Can anyone tell me if they managed to fix this? What can I do? Thank you for any help!

What worked for me (I had the same issue) was rebooting and entering the Bios (use a keyboard and press Esc during the boot) and select the option to restore the default settings and than save and exit. After that go in dnx mode and do the same thing (use c5j8 bios - the file is here on page 2). That worked for me and was pretty easy, I guess the key thing is the bios reset and using that bios version to get it working.

Hi all, so if this fails on my air iii M5C5, is my only option now to go down the eeprom flash road?
Glad to see this is working for lots of people, gutted my new x98 is well and truly bricked lol

Im in the same situation, neither works.. this img or the cj58 bios.

as long as you can load in to dnx mode there is always hope. Just keep on reading and try solutions

I can entry in DNX ever, and the pc detects and list the tablet as fastboot device.

Worked perfect on my air iii, it was fast too, it is now rocking a dual boot Mirek190 v7
I could not have done it without ionioni

@ ALL
below is an updated file for restoring the bios on M5C5 models, the one posted in the main post of this thread is NOT working! i have updated this file more than a week ago and sent the link to the thread owner @mirco446 so that he updates the link in the OP but it seems that once i got his tab fixed was no longer that interested of this/others (tho he was quite quick and answering when he was on a bricked tab )
https://anonfiles.com/file/9737f31cbc4291e95a7f2d649a8c8239
how to:
start in dnx mode and input
fastboot flash osloader efilinux.efi
fastboot boot restore_bios_m5c5.img
once the second command was entered, if you have no messages on your screen leave the tab at least 7-8 minutes until you power off by force! or you can hard-brick. to be used on m5c5 model ONLY!


@joney94
if your tab is the m5c5 model use the file linked above to restore the bios
if on a different model (or the file linked doesn't somehow work) find the correct bios file for your tab and use these steps to flash it to your tab

is the same BIOS file that @mirco446 used to restore his bios using a similar tool, the tool was updated to show status messages, but it uses the exact same bios file
if you need the bios file (check for what?) just unpack the boot image, or if you want to flash YOUR bios file use the DNX flasher tool from the other thread

---------- Post added at 23:26 ---------- Previous post was at 23:23 ----------





yes as i already said, the tool for m5c5 was NOT working at all (the boot image will not complete to load due to a missing config) but this latest one is fixed and should work fine.

Can I try to flash a bios file in DNX MODE?

THIS IS MY THREAD STUCK PROBLEM :
http://forum.xda-developers.com/x98...dead-brick-t3359163/post66410239#post66410239

 

[Mrhackit]

any chance of uploading the files to somewhere other than anon files as i cant download them once i have them i will host them on my file factory account if no one minds as an alternative

 

[Mrhackit]

@ ALL
below is an updated file for restoring the bios on M5C5 models, the one posted in the main post of this thread is NOT working! i have updated this file more than a week ago and sent the link to the thread owner @mirco446 so that he updates the link in the OP but it seems that once i got his tab fixed was no longer that interested of this/others (tho he was quite quick and answering when he was on a bricked tab )
https://anonfiles.com/file/9737f31cbc4291e95a7f2d649a8c8239
how to:
start in dnx mode and input
fastboot flash osloader efilinux.efi
fastboot boot restore_bios_m5c5.img
once the second command was entered, if you have no messages on your screen leave the tab at least 7-8 minutes until you power off by force! or you can hard-brick. to be used on m5c5 model ONLY!


@joney94
if your tab is the m5c5 model use the file linked above to restore the bios
if on a different model (or the file linked doesn't somehow work) find the correct bios file for your tab and use these steps to flash it to your tab

any chance of the files being uploaded to somewhere other than anon files as its down for me cheers

 

[playitlouder]

any chance of the files being uploaded to somewhere other than anon files as its down for me cheers

Push.
Bricked my Chuwi Hi8 today and I don't really have another option to reflash other than DnX, so this tool would be awesome! @mirco446

 

[hnito82]

Good evening gents,

Since I broke my BIOS on my m5c5 by flashing the wrong one with Tecknights Tutorial, I was desperately trying to get back to the working BIOS.

Thanks to ionioni we have a way to unbrick our devices (as long as they still boot into dnx).

I accidentally flashed the wrong BIOS on to my X98 Air iii (m5c5) and thought i bricked it beyond repair (except opening it up and flashing it with EEPROM Clip).

Now we have a solution to flash the DUAL BOOT - BIOS to the m5c5 through dnx mode:

WARNING: EVERYTHING YOU DO, YOU DO AT YOUR OWN RISK! Only tested on m5c5! Using it on other devices can HARDBRICK!!!


IMPORTANT: DO NOT CUT THE USB OR POWER AND WATCH OUT THAT THERE IS ENOUGH POWER IN THE ACCU.


1. Copy the following files into your fastboot directory on your pc:

https://anonfiles.com/file/28e5e4990eee25d74ff4d6cc99fdb548

2. Boot the device into dnx/fastboot (pressing power and Vol+/Vol- at the same time)

3. Plug the device in via usb, open up a command prompt in your fastboot directory and type the following:

fastboot devices #Check if device is recognized
fastboot flash osloader efilinux.efi #Push Efiloader onto device
fastboot boot bios_restore_m5c5.img #restores the dual boot bios

4. Wait for reboot. There is now a 100 second timer in case of second guesses and afterwards update notifications during the flash. It takes between 3-5 Minutes. DO NOT FORCE REBOOT it WILL HARDBRICK

Be happy to have unbricked your BIOS. And thank ionioni !! PM him if you have any questions!

the link has access denied, post another link

 

[seno1963]

Hello

Someone could help me in solving this problem:

I have a TECLAST X98 Air III M5C5 that for some time whenever you restart appears BIOS image disallowing change anything within the same as the toutch does not work.
To start I have to press the UP button appearing table to ask if I want to go out and then press the DOWN button and the tablet starts normally.
Along one Bios image photograph that appears whenever restart.
I ask already sorry for my bad English, thanking someone who can help me to solve this problem because it does not allow me to even update the BIOS or firmware, due to the fact that when I turn on the computer and want to install the firmware again, not step image Bios ... can not access the Fastboot.

Thank you all

 

[diego1234513579]

Could you re-upload the links?
Currently anonfiles is down..

 

[seno1963]

Hello
Someone could help me in solving this problem?
Thank you all

 

[HigBee_PL]

Could you re-upload the links?
Currently anonfiles is down..

I have a TECLAST X98 Air III M5C5 (BIOS - 2.05)
I have problems with battery drain - even when tablet is completely OFF
Somewhere I red that could be BIOS problem, so I decided to downgrade BIOS to 2.02 with Mirek190 tool
I made everything acc. to Mirek instructions but something went wrong
Tablet is alive : I can boot, enter BIOS, enter DnX. But it doesn't see its disc: doesn't start beyond BIOS, doesn't see drives in BIOS boot options

Could someone kindly re-upload restore_bios_m5c5 ???

 

[daywalkerocal]

[QUOTE = "ionioni, yayın: 64854157"]
@ HERŞEY
http://forum.xda-developers.com/x98-air/help/baytrail-dnx-mode-bios-flashing-tool-t3295105
[/ ALINTI]
[QUOTE = "ionioni, yayın: 64981344"]
[MENTION = 7181054] mirco446 [/ MENTION] 'ın benzer bir araç kullanarak bios'unu geri yüklemek için BIOS ve aynısıdır, araç durum mesajlarını gösterecek şekilde güncellenmiştir, ancak tam olarak aynı bios parçasının kullanım hakkı
bios ihtiyacınız varsa (neyi kontrol edin?) sadece önyükleme öğrenmek veya SİZİN bios arka plan flaş etmek, diğer iş parçacığı gerektiğinde (neyi kontrol edin?)

---------- Gönderi 23:26 tarihinde eklendi ---------- Önceki gönderi 23:23 idi ----------



evet, daha önce de söylediğim gibi, m5c5 aracı hiç ÇALIŞMIYOR (eksik bir yapılandırma nedeniyle önyükleme özelliği yüklenmek üzere tamamlanmayacak) ancak bu sonuncusu düzeltildi ve iyi çalışması gerekiyor.
[/ ALINTI]

[QUOTE = "ionioni, yayın: 64981344"]
[MENTION = 7181054] mirco446 [/ MENTION] 'nın benzer bir araç kullanarak bios'unu geri yüklemek için kullandığı BIOS dosyasının aynısıdır, araç durum mesajlarını gösterecek şekilde güncellenmiştir, ancak tam olarak aynı bios dosyasını kullanır
bios dosyasına ihtiyacınız varsa (neyi kontrol edin?) sadece önyükleme görüntüsünü açın veya SİZİN bios dosyanızı flaş etmek istiyorsanız, diğer iş parçacığından DNX flaşör aracını kullanın

---------- Gönderi 23:26 tarihinde eklendi ---------- Önceki gönderi 23:23 idi ----------



evet, daha önce de söylediğim gibi, m5c5 aracı hiç ÇALIŞMIYOR (eksik bir yapılandırma nedeniyle önyükleme görüntüsü yüklenmek üzere tamamlanmayacak) ancak bu sonuncusu düzeltildi ve iyi çalışması gerekiyor.
[/ALINTI]

 

[baxarn]

Could someone upload the bios file please!

 

[torcuator]

Good evening gents,

Since I broke my BIOS on my m5c5 by flashing the wrong one with Tecknights Tutorial, I was desperately trying to get back to the working BIOS.

Thanks to ionioni we have a way to unbrick our devices (as long as they still boot into dnx).

I accidentally flashed the wrong BIOS on to my X98 Air iii (m5c5) and thought i bricked it beyond repair (except opening it up and flashing it with EEPROM Clip).

Now we have a solution to flash the DUAL BOOT - BIOS to the m5c5 through dnx mode:

WARNING: EVERYTHING YOU DO, YOU DO AT YOUR OWN RISK! Only tested on m5c5! Using it on other devices can HARDBRICK!!!


IMPORTANT: DO NOT CUT THE USB OR POWER AND WATCH OUT THAT THERE IS ENOUGH POWER IN THE ACCU.


1. Copy the following files into your fastboot directory on your pc:

https://anonfiles.com/file/28e5e4990eee25d74ff4d6cc99fdb548

2. Boot the device into dnx/fastboot (pressing power and Vol+/Vol- at the same time)

3. Plug the device in via usb, open up a command prompt in your fastboot directory and type the following:

fastboot devices #Check if device is recognized
fastboot flash osloader efilinux.efi #Push Efiloader onto device
fastboot boot bios_restore_m5c5.img #restores the dual boot bios

4. Wait for reboot. There is now a 100 second timer in case of second guesses and afterwards update notifications during the flash. It takes between 3-5 Minutes. DO NOT FORCE REBOOT it WILL HARDBRICK

Be happy to have unbricked your BIOS. And thank ionioni !! PM him if you have any questions!

Hi everyone. Sadly i think i bricked my teclast x98 and seems i could unbrick with this method. Unfortunately, the file is down, could someone provide it? Thank you very much

 

[Kinustr]

Can someone reupload files for flash pls!!!

 

[jrlk]

Please reupload the files, someone pls