How To Guide Install Stock ROM - Xiaoxin Pad Pro 2021 [TB-J716F]

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yolhd

New member
Feb 10, 2013
4
0
It is



It is all capital letters and numbers I already have the correct SN.img the correct one is written on the sdcard tray slot I somehow messed up the serial number when I flash this firmware now I can't unlock my bootloader
I have the same problem :(.
The SN should be HAxxxxxxxx (HA + 8 digits and letters)
 
I managed to lock bootloader and retain widevine L1, after qfil + stock zui 12.5.1 + ota zui 13. I cannot lock bootloader with qfil + stock zui 12.5.1.
 

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russy23

Senior Member
I have totally shafted my tablet, was trying to install a gsi, but didnt manage it, now system folder has been corrupted or deleted, now sure how as didnt overide it, and now this software says:-

Download Fail: FireHose Fail: FHLoader Fail: FHLoader Fail: The system cannot find the specified file​


apart from crying i dont know where to go from here

NOW getting download fail sahara fail
 
Last edited:

mardon85

Senior Member
Jan 8, 2009
546
80
Manchester
I have totally shafted my tablet, was trying to install a gsi, but didnt manage it, now system folder has been corrupted or deleted, now sure how as didnt overide it, and now this software says:-

Download Fail: FireHose Fail: FHLoader Fail: FHLoader Fail: The system cannot find the specified file​


apart from crying i dont know where to go from here

NOW getting download fail sahara fail
That usually sounds like a driver error. Have you successfully used QFIL before. You may be able to restore the fire hose bit with the original ROM.
Have you tried restoring it?
 

ayumifuse

New member
Sep 18, 2008
2
1
Hi

I had reflashed to stock cn rom and locked mybootloader (was previously on global unlocked with no ota) however my widevine is still at L3. Can anyone help?
 

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ErickNeris

Member
Dec 12, 2015
6
0
Would anyone know if I can flash the global stock rom that is on the website of "mirrors.lolinet" (topic link) and right after blocking the bootloader normally, like you did with the Chinese rom?
At first my interest is more because of the language, not having certificate errors and receiving updates normally via ota.
Thank you for your attention and I look forward to receiving your reply!
My Lenovo is the "TB-J607Z" model with Snapdragon 750G.
 

ShazlieyAzizan

Senior Member
Dec 1, 2017
228
66
Petaling Jaya
Hi 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


- 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
View attachment 5440545

DRM Info
View attachment 5440511

[Update] ZUI 13.0.364 is now available!!​

View attachment 5463739
View attachment 5463741
Thank you, your method does help me a lot. Managed to get me out from the crap fake global rom with no updates and bootloader unlocked.
 
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Tomas Dolezel

New member
Dec 23, 2007
1
0
These are the errors I get now
These errors caused that device was not in EDL for me.
The device was not in EDL because installation instructions has bad flow.

Installation of QFIL driver (that is Qualcomm USB driver} prompts to restart computer. After restating PC android device goes out from EDL but it looks like it is not.

Solution is to restart device and go to EDL again.
 

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  • 1
    View attachment 5611593
    Finally i enter to EDL mode by ADB ....the thing is that i get a different name code i get qloader 9008 com 3 instead Diag com 4 like the picture...is this a problem or i need to get the diag com 4 ...
    Hi again!

    There's no problem, really. If the tablet is the only thing connected to your computer, that should be the one.
    1
    Hi again!

    There's no problem, really. If the tablet is the only thing connected to your computer, that should be the one.
    thanks dude, i will make the test during tonight .. wish me luck...
  • 14
    How 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:
    Installation:
    1. 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
    2. Now this should appear in your device manager:
      device_manager.png
    3. Start the QFIL-Programm, it should detect the port with the same name.
    4. Go to "Configuration" -> "FireHose Configuration". At device type select "ufs" and tick "Reset After Download" then press ok:
      qfil_1.png
    5. Back in the main window select "Programmer Path" and browse to the ROM-Folder, select the file "prog_firehose_ddr.elf".
    6. Select "Content XML" and browse to the ROM-Folder, select the file "contents.xml"
    7. Click "Download Content" and wait, may take a few minutes
    8. After its done, this status message should a appear and the tablet should reboot.
    qfil_2.png


    Done, Stock-ROM should boot now.
    8
    Hi 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


    - 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
    20211024_095359.jpg


    DRM Info
    Screenshot_2021-10-25-01-01-10-1625424965.jpg


    [Update] ZUI 13.0.364 is now available!!​

    Screenshot_2021-11-20-09-37-40-0847653534.jpg

    Screenshot_2021-11-20-09-37-24-0718768572.jpg
    7
    Finally 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
    driver.jpg


    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"
    Screenshot 2021-11-24 182003.png


    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.
    3
    It has multi-language and on the product page banggood says it comes rooted with Chinese ROM with play store installed and multi-languages.
    If it was original Chinese rom, it should have update option. Am I right?
    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.
    3
    Guys, I uploaded the update here if you're interested...