XIAOMIAUTH TOOL { XAT }
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XiaomiAuth Tool (XAT) is a tool for authentication and account management on Xiaomi devices, allowing password resets, lock bypassing, and access recovery.
Always verify your board and panel numbers before flashing, as using the wrong firmware can permanently "brick" your TV.
The picture is scrambled or doesn't fit the screen properly.
If the only issue is the flipped image and the TV is otherwise working, you might not need to flash new firmware. Try entering the to fix it:
Navigate to Panel Settings and look for a setting labeled Mirror or Flip . Change the value and restart the TV. Resource Links
Extract the contents of the .rar file. You should see a file named allupgrade_338_2G_ref... or similar.
Press and hold the on the TV panel (not the remote).
Download Cv338h A42 1366x768 Panel Lc390tua Tested Mirror China Rar File
Always verify your board and panel numbers before flashing, as using the wrong firmware can permanently "brick" your TV.
The picture is scrambled or doesn't fit the screen properly.
If the only issue is the flipped image and the TV is otherwise working, you might not need to flash new firmware. Try entering the to fix it:
Navigate to Panel Settings and look for a setting labeled Mirror or Flip . Change the value and restart the TV. Resource Links
Extract the contents of the .rar file. You should see a file named allupgrade_338_2G_ref... or similar.
Press and hold the on the TV panel (not the remote).