thank you , i already successful solve all problem and now my tablet back to normalazwina where are you from? i m from malaysia, do you hv telegram? i can contact you and help you there, kindly pm me thru xda dm.
How To Guide Install Stock ROM - Xiaoxin Pad Pro 2021 [TB-J716F]
- Thread starter Tropaion
- Start date
Quick question, my bootloader is locked and I'm at zui14, is it possible to flash zui12 using qfil method? Too scared to try because my warranty has ended two days ago and the reason why I want to roll back because I want to sell the tablet, and the buyer demand PC MODE which is only available on ZUI13. ( basically still can access in ZUI14 using SetEdit but too much work huhu) Do let me know if anyone is able to flash ZUI12 after installing ZUI14 on your tab, thank you in advance!
if you flashed zui 12 after ota-ed zui14, you should not unlock bootloader or it will pop system error on boot screen.
Hello. Good day. My name is Marvin but you can call me Mar. I am from the Philippines. The problem started when the tablet suddenly keeps blinking. It cannot be turned off and was able to successfully access the recovery mode and tried to factory reset the tablet. After factory reset, nothing happened and found this thread and tried to flash my tablet following the instructions. I bricked my tablet and could not use it. I am stuck in bootloader. I flashed my tablet using all the steps in here but nothing worked for me. I hope you can help me. My telegram is @Marvin0201 and I am willing to pay a couple of bucks to someone who can help me fix the tablet. Please contact me and help me.
Note: Successful flashing the tablet to stockrom but don't know how to qfil the updates.
Note: Successful flashing the tablet to stockrom but don't know how to qfil the updates.
Hi. I have the same problem. May I ask how did you fix the tablet? I want my tablet to be up and running again. :'(
I just had the same problem, for me the solution was, a third USB controller from the same Windows 10 PC:
with "Contrôleur hôte Etron USB 3.0 eXtensible - 1.0 (Microsoft)" -> Sahara Fail
with "Intel(R) 6 Series/C200 Series Chipset Family USB Enhanced Host Controller" -> Sahara Fail
but with "Contrôleur hôte VIA USB 3.0 eXtensible - 0.96 (Microsoft)" -> Update successfully completed !
So, as you can; try another USB controller or PC.
Hi my tablet already back to normal, first try to unlock bootloader and then follow this first page intrustion flash back to stock rom. if you want to lock back bootloader you must manual upade to your last firmware version then only can safety lock bootloader other wise will have problem again
your last firmware version is it zui13 -560 ?? if yes you must manual updade to v560 then lock bootloader this step is very important
you can try study this link :
https://forum.xda-developers.com/t/...n-p11-pro-2021-original-rom-tb-j716f.4446671/
https://forum.xda-developers.com/t/...k-file-xiaoxin-pad-pro-2021-tb-j716f.4488343/
https://forum.xda-developers.com/t/...f-p11-pro-xiaoxin-2021.4448469/#post-86923725
Hello. Thank you very much for your response. I read all of these links that you sent. But my tablet won't turn on. I flashed an updated rom I found on this thread https://forum.xda-developers.com/t/...3-0-346-ota-update-chinese-rom.4363751/page-4 the flashing was successful and I get some errors. You can see the errors on the pictures. I understand that I have to manually update the firmware version but I don't know how to update it manually because the tablet don't turn on. After flashing the updated rom, I was able to maybe "soft brick" my tablet and was able to access the recovery mode and whenever I plug in the tablet I see the battery
charging. 
So, I guess that's an improvement. Anyway, since I was able to access the recovery mode, I tried applying update from sd card and or applying update from adb but I am getting an error and cannot install the updates. @everyone please help me.have you try EDL mode ? "press the volume up button and hold, plug the usb cable into the tablet and PC and wait a few seconds " at PC device manager have show your tablet port ??Hello. Thank you very much for your response. I read all of these links that you sent. But my tablet won't turn on. I flashed an updated rom I found on this thread https://forum.xda-developers.com/t/...3-0-346-ota-update-chinese-rom.4363751/page-4 the flashing was successful and I get some errors. You can see the errors on the pictures. I understand that I have to manually update the firmware version but I don't know how to update it manually because the tablet don't turn on. After flashing the updated rom, I was able to maybe "soft brick" my tablet and was able to access the recovery mode and whenever I plug in the tablet I see the battery
if yes try to unlock bootloader first
Yes I tried EDL mode. That's how I was able to flash the tablet. The flashing was successful but my system still doesn't boot up. I went to a Lenovo Service Center and their thinking that it maybe a hardware issue.
Thank you very much for your time and responses. I appreciate it. 
I managed to update to 13.1.560 and locked bootloader again, it worked, but widevine is L3. Did you get widevine L1?
Hi there seems to be a new firmware update 14.0.127 OTA8. Anyone knows where to get the update file? Appreciated.
Lenovo Xiaoxin P11 Pro 2021 (TB-J716F) ZUI 14
Just download this file (latest) Full OTA 14.0.127 rename it to update.zip and move to the internal storage root drectory ----------------------------- Archive version 14.0.107 Full OTA 14.0.107
forum.xda-developers.com
Hi friend i also got widevine L3 , i don't know why some member can lock bootloader at stock firmware and i cannot must lock bootloader at zui13-v560
Hello guys, i am having the same problem
I locked the bootloader and now I don’t know what to do. The site https://www.zui.com/iunlock is do not working anymore i am waiting several days for the sn.img… Please someone give to my email the sn.img the SN is HA1M4L63 i am desperate, i also tried to put my sn in the link and appears the error 404
I locked the bootloader and now I don’t know what to do. The site https://www.zui.com/iunlock is do not working anymore i am waiting several days for the sn.img… Please someone give to my email the sn.img the SN is HA1M4L63 i am desperate, i also tried to put my sn in the link and appears the error 404
Hello. My tablet is on fw 13.1.560. I tried to do this procedure with the persist.img file of the Stock Rom TB-J716F_CN_OPEN_USER_Q00209.3_R_ZUI_12.6.211_ST_210730_qpst.zip. It didn't work for me and I still get Widevine L3. Which Rom exactly did you use persist.img from, please?
Após a instalação da versão 13.1.560, conseguiu bloquear o bootloade e obter o Widevine L1?
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this is weird, you can try watching something on netflix, you might be able to watch it in high resolution. If not, you can try the process again. but then you will have to unlock it. the bootloader, and manually install the versions, and then lock the bootloader. you can put here what will happen after trying to watch Netflix or other servicesLast time I tried to lock this tablet it says device corrupted i didn't do it in fastboot let me try your steps and let's see. Thanks.
It worked!! Thanks a lot for sharing info here!
Device is showing certified in Play store but still L3 not L1. That's fine as long as it is locked now. -
18How to install Stock ROM - Xiaoxin Pad Pro 2021 [TB-J716F]
I tried installing a GSI-ROM on this tablet, which basically worked except for three/four bugs I coulnd't solve.
So I tried to restore the Stock ROM in the meantime and will share my experience.
Your data will be deleted, try it at your own risk.
Requirements:
- Download Stock-ROM and unpack it
- Download and install QFIL-Tool + Driver
- PC with ADB-Tool
- Boot tablet in EDL-Mode, there are two ways (in EDL-Mode screen always remains off):
- If tablet is fully booted: use adb command "adb reboot edl"
- If tablet is off or can't be booted: press the volume up button and hold, plug the usb cable into the tablet and PC and wait a few seconds
- Now this should appear in your device manager:
- Start the QFIL-Programm, it should detect the port with the same name.
- Go to "Configuration" -> "FireHose Configuration". At device type select "ufs" and tick "Reset After Download" then press ok:
- Back in the main window select "Programmer Path" and browse to the ROM-Folder, select the file "prog_firehose_ddr.elf".
- Select "Content XML" and browse to the ROM-Folder, select the file "contents.xml"
- Click "Download Content" and wait, may take a few minutes
- After its done, this status message should a appear and the tablet should reboot.
Done, Stock-ROM should boot now.10Hi guys, I'll leave my contribution here. I was forced to reinstall the ROM as I had the excellent idea to lock Bootloader with the 'Global' ROM installed. Everything went wrong and my tablet didn't start anymore, it was just on the Fastboot screen. The “Tropaion” tutorial helped me a lot.
I was using Windows 11, and it didn't recognize the tablet at all and when it did, it gave an error at the time of “download content” in QFIL, the famous error of “sahara fail”. At least in my case, I had to do the procedures for Windows 10 newly installed on the machine.
Starting from the beginning
- I used the QFIL that comes with QPST_2.7.496. Qualcomm's driver installer came with it as well. (https://qpsttool.com/)
- After installing QPST I put the ROM folder inside the bin folder. Example: "C:\Program Files (x86)\Qualcomm\QPST\bin\TB-J716F_CN_OPEN_USER_Q00209.3_R_ZUI_12.6.211_ST_210730_qps"
- I started QFIL and configured it according to what “Tropaion” taught.
The EDL Dilemma
- As my tablet was already stuck on the Fastboot screen, so I turned it off and pressed the volume up button, connected the cable to the PC and tablet, waited a few seconds and released the button.
- Soon it went into EDL mode (It stays with the screen off, but connected to the PC) and I continued the procedure in QFIL. (If there is any error and you want to exit this mode just press the volume up & Power On/Off button together for ~30s, but if everything works out you won't need to)
- Then he did the installation and the Lenovo Xiaoxin Pad Pro 2021 worked perfectly. But with the bootloader unlocked.
Locking Bootloader with Chinese ROM installed
- I downloaded platform-tools_r31.0.3 (https://developer.android.com/studio/releases/platform-tools)
- I unzipped it into Disk C. Example: “C:\platform-tools”
- I started CMD in the folder
- Again I turned off the tablet, started fastboot (low volume button & Power On/Off together for ~30s) and connected to PC.
- I downloaded Drive ADB (https://developer.android.com/studio/run/win-usb?hl=pt-br)
- I went to Device Manager and updated the drive (https://androidmtk.com/install-google-adb-driver-manually)
- I went back to CMD, and typed in the following commands:
- fastboot devices (To check if the Lenovo Tablet really was there)
- fastboot flashing lock (To lock Bootloader)
- Then the tablet asked me to confirm if I was sure I wanted to lock the bootloader (Just use the volume button to navigate and Power On/Off to confirm)
- That's it. Bootloader locked!!
- When I turned on the Xiaoxin Pad it already had an update from Lenovo. And it was updated successfully!
- I installed the Play Store through the lenovo store, and even the tablet is with the Play Protect Certificate activated and Widevine L1 everything ok.
Important: This method worked for me, but it doesn't mean it will work for you. Unforeseen events can happen during the procedure. As I've never installed a ROM in my life, it took me quite a while to fix my error and get my Tablet back up and running. So do it at your own risk.
Hope this helps
New update Lenovo
DRM Info
[Update] ZUI 13.0.364 is now available!!
8Finally managed to install China ROM. I started with unlocked bootloader and Banggood tablet with global ROM.
Everything OK, finally got Widevine L1, OTA. Only English and Chineze languages. Netfix works in FullHD.
I have run into sahara fail issue on windows 11. To resolve this, I followed @PHRS and @Tropaion guides. USB debugging has to be enabled first in the tablet menu.
1. Install Qualcomm USB Driver v1.0 and restart computer
2. Install QPST Tool in default path ProgramFiles(x86) https://qpsttool.com/qpst-tool-v2-7-496
3. Extract ROM content in C:\Program Files (x86)\Qualcomm\QPST\bin\TB-J716F_CN_OPEN_USER; I guess this is important, because if I left the ROM in a Desktop folder, I got Sahara fail. May be due to windows 11 security implementation and ProgramFiles file access stuff...
4. Connect tablet in EDL mode - I did it with with adb command "adb reboot edl"
5. Check if the tablet is visible in Device manager, under Ports (COM&LPT); note the port number. Tablet screen is black.
6. Execute as Administrator "C:\Program Files (x86)\Qualcomm\QPST\bin\QFIL.exe"; the port number from step 5 should be visible in QFIL.
7. Setup QFIL / FireHose Configuration as indicated in Opening post (0-Sahara, ufs, reset after download)
8. Browse Programmer path with "C:\Program Files (x86)\Qualcomm\QPST\bin\TB-J716F_CN_OPEN_USER\prog_firehose_ddr.elf" and Content XML with "C:\Program Files (x86)\Qualcomm\QPST\bin\TB-J716F_CN_OPEN_USER\contents.xml"
9. Click download content. For me it worked fast, the log showed the processes running in a few steps. I had a USB3 connection, maybe this is why it went very fast (~20-30 seconds).
10. Tablet can be rebooted with the new ROM, but still Widevine L3
11. To lock the bootloader, first install LenovoUsbDriver_v1.1.47
12. Use @Tropaion lock batchscript https://forum.xda-developers.com/t/...n-pad-pro-2021-tb-j716f.4347321/post-85775623
13. The bootloader is locked and the tablet is reset. Widevine L1 and OTA after this.
14. A bit weird boot with all the Chineze, but embedded apps can be easily uninstalled. I installed Aptoide, then Google Play, Netflix, Swiftkey instead of the chinese one, etc.
Thank you @Tropaion, @PHRS and the rest of XDA community. All the best!
LE. By the way, when I first got the tablet I thought the wifi module is broken or something, because it connected my wifi, but with limited connection. I finally realized that the date/time was wrong (because of the empty battery I guess), and after I manually adjusted the date, internet connection was established.4
Hello @sabaku_chris! Your tablet has unofficial Chinese ROM.
The official Chinese ROM does not come with the Google Play Store pre-installed and only comes in two languages, English and Chinese. It comes with firmware upgrade option (via OTA), with Widevine L1 and, if you install Google Play Store, comes with Play Protect Certificate.
An advice: But if you don't need these features, continue with the version that was already installed on it. In case of doubt, do not change the ROM.4This is a guide for anyone that is trying to lock the bootloader and receiving a "Your device is corrupt" message.
I just got my Xiaoxin Pad Pro 2021 [TB-J716F] which had the global rom and unlocked boot loader. I followed CleberJorge's amazing guide to put the original Chinese rom on which worked perfectly up until you have to lock the bootloader, which I then got the “Your device is corrupt…” message.
To solve this you have to manually update to the latest version ZUI 13 before locking the bootloader again. Once you have done this you will be able to do OTA updates and you will have widevine L1 support for HD Netflix etc.
CleberJorge's guide to flash to stock chinese rom is here https://forum.xda-developers.com/t/...n-p11-pro-2021-original-rom-tb-j716f.4446671/
The process for updating manually is the following:
1) download the update.
2) use a file explorer and move it to the root folder of your device.
3) rename it to "update.zip".
4) Got to Settings => System Update => "Select the 3 dots top right and select 'Use the install package update'
Repeat these steps for each individual update
The order of updates are (this is from the stock Chinese rom version of TB-J716F_CN_OPEN_USER_Q00209.3_R_ZUI_12.6.211_ST_210730_qpst
1) TB-J716F_CN_OPEN_USER_Q00209.3_R_ZUI_12.6.238_ST_210824_to_TB-J716F_CN_OPEN_USER_Q00209.3_R_ZUI_13.0.346_ST_211108.zip - download link https://mega.nz/file/4h13DI4R#09imnGFk0c16CPNG635AYIClewuF5rXkiaj3xqGmjA8
2) TB-J716F_CN_OPEN_USER_Q00209.3_R_ZUI_13.0.346_ST_211108_to_TB-J716F_CN_OPEN_USER_Q00209.3_R_ZUI_13.0.364_ST_211115.zip - download link https://mega.nz/file/l5ljWChS#rL44OM0-PuIFGZWSwr46pJr5S8NcY0JuYH7ctEeVTNs
3) TB-J716F_CN_OPEN_USER_Q00209.3_R_ZUI_13.0.364_ST_211115_to_TB-J716F_CN_OPEN_USER_Q00209.3_R_ZU...zip - download link https://forum.xda-developers.com/at...j716f_cn_open_user_q00209-3_r_zu-zip.5522973/
4) TB-J716F_CN_OPEN_USER_Q00209.3_R_ZUI_13.0.430_ST_220113_to_TB-J716F_CN_OPEN_USER_Q00209.3_R_ZU...zip - download link https://forum.xda-developers.com/at...j716f_cn_open_user_q00209-3_r_zu-zip.5598667/
So the version you need to be running before attempting to lock the bootloader is 13.1.555 so double check your version in settings => My Device
@CleberJorge you might want to add this to your guide.
Spent alot of time cracking this annoying issue, so hope it helps a few people out.
*Note this procedure works as of 25/5/22, it may change if there's a new update.
