Lenovo Xiaoxin Pad Pro 2021 (lenovo-j716f)

Contributors

 * User:Ungeskriptet
 * User:MinhNG99
 * User:Hyusang

How to enter flash mode

 * EDL Mode: Hold down, then connect the tablet to a computer with a USB cable.
 * Fastboot Mode: Power on the device with both and  buttons.
 * Recovery Mode: Boot into Fastboot mode and select recovery using the Volume/Power buttons.

Unlocking the bootloader

 * 1) Go to Settings → My Device, tap on ZUI Version until developer settings are enabled.
 * 2) Go to General Settings → Developer Settings and enable "OEM Unlocking".
 * 3) Boot into fastboot mode and connect it to a PC
 * 4) Take note of the serial number shown on the bootloader screen.
 * 5) Download your   from http://cdn.zui.lenovomm.com/developer/tabletboot/(your_sn_number)/sn.img (Replace the brackets with your number in the link)
 * 6) Flash your   with.
 * 7) Unlock the bootloader with

Alternatively this page can also be used to get the.

Alternative method
This method can be used to unlock the bootloader without having to wait and connecting to Lenovo's server. It works by modifying the serial number with EDL and using a pre-made unlock file for that serial number.

EDL Mode
The necessary loader for bkerler's EDL tool can be found in this firmware file.

Installation
/* Not yet */

Mainline
A work in progress mainline kernel is being developed here.

i2c Table
Android messes up the i2c numbering. This is the real i2c numbering corresponding to mainline, showing only those that have devices attached.

Back to stock firmware
Linux tutorial:
 * 1) Enter EDL Mode by powering off the tablet first, then hold  while connecting the tablet to a computer with an USB cable.
 * 2) Download the qdl tool from here and build it. Arch Linux users can simply install the qdl AUR package.
 * 3) Download the firmware from here.
 * 4) Extract the ZIP file.
 * 5) cd into the extracted ZIP directory
 * 6) Execute the following command:
 * 7) After it has finished, the command will exit itself. Force reboot the tablet by holding . Now you should be able to boot back into stock firmware.