The T.R85.A81 firmware for a 1366X768 resolution panel can be downloaded from electronic repair forums that specialize in universal board software.
The file is typically provided in a .rar or .zip format containing a .bin file, which you then copy to a USB drive for installation on your LED/LCD TV board. Download R85 A81 1366X768 rar
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