If you need to access the menu afterwards, the factory service code is often Menu + 1147 .
Note: Always use caution when downloading firmware from third-party sites and ensure your board is exactly the T.R85.A81 model. Download R85 A81 1366X768 rar
The T.R85.A81 firmware for a 1366X768 resolution panel can be downloaded from electronic repair forums that specialize in universal board software. If you need to access the menu afterwards,