To access the service menu, use the remote sequence Menu + 1147 .

Installing the wrong firmware can permanently damage your TV panel or mainboard. Ensure the and Resolution match your specific hardware before attempting a USB update. TP.MS338.PB803 USB Firmware Software Bios Bin

Typically used to recover "soft-bricked" TVs (stuck on the logo), update the Android OS, or fix resolution issues. Where to Find the Download

You can find threads and potential firmware download links specifically for this board.

The file refers to a segment of the firmware for the TP.MS338.PB803

Firmware for these Chinese universal boards is usually hosted on specialized technician forums or shared via cloud storage links:

universal Android smart TV motherboard. This specific version is configured for a display resolution of . Firmware Details Board Model: TP.MS338.PB803 Supported Resolution: 1366x768.

Search for "Smart TV Software" channels like hashmielecom which list factory codes and software files for various MS338 series boards. Installation Warning