Plug in the TV and hold the power button (if physical) until the update screen appears. Do not power off during this process. 3. Factory Menu & Critical Adjustments
In the Service Menu, adjust the "LVDS Map" or "Bit Depth" settings to match your panel. Tp.mt5522.pc821 Firmware
Settings > About Tablet (Android) or System Information (Windows/Linux).When you press the power button, the board looks for the bootloader. This tiny piece of code initializes the DDR memory, checks the integrity of the main OS, and loads the logo (splash screen). If the bootloader is corrupt, the TV is "dead" (No backlight, no picture, just standby light). Firmware report — TP