The TV powers on, shows the manufacturer logo (e.g., Aiwa or JVC), but fails to boot into the Android launcher.

If your TV boots successfully but the picture is upside down (mirror mode) or the colors are distorted, you can adjust these settings in the factory service menu. Turn on the TV. Press the or Input button on your remote. Quickly press the sequence: 2 5 8 0 or 1 1 4 7 . The Service Design Menu will appear on the screen.

After repairing the board, the display might be inverted or discolored, requiring a new dump file. 3. How to Install/Update T.MT5522.81 Firmware (USB Method)

Ensure the file name matches exactly what the board looks for (e.g., allupgrade_5522_sos.bin ).

Apps crash constantly, or the system configuration files become corrupted.

Press and hold the on the TV panel (not the remote).