: Ensure the resolution (1366x768) and board number (RSAG7.820.5236) exactly match your hardware to avoid bricking the device.
: If your TV still functions, try the built-in update menu (Settings > Support > Check Update) while connected to the internet before attempting a manual dump flash. Hisense Firmware Downloads & Updates | Support Download RSAG7 820 5236 1366x768 ABAJ DUMP rar
: Many TV repair specialists share .bin and .rar dump files on dedicated channels like hashmielecom . : Ensure the resolution (1366x768) and board number (RSAG7