Hi dear colleagues,
Here is some input data. To unlock my bootloader I had to use the scheme with changing the serial number of my tablet to HAHAHAHA, but during this process something was wrong and I had problems with booting my tablet, so I had to install stock recovery ROM -version 12.6.211 via QFIL.
But after downgrading the firmware to stock 12.6.211 via QFIL I faced that bootloader still unlocked so, I decided to install TWRP recovery (twrp-3.6.1_11-0-J716F.img) to my tablet and it was successfully installed.
Because my table for unlocked I couldn't update the firmware to the latest version (ZUI 13.1.560) via OTA, so I tried to install ROM files via TWRP, but when I started the updating process, I'm getting the following error:
and updating process was canceled.
I will be highly appreciated for your help and support with your ideas and recommendations how to solve this issue !
Thanks in advance,
Alex