you're facing with your TV (e.g., stuck on boot logo, app errors)?
You will need a USB-to-TTL adapter (3.3V). Solder wires to the TX , RX , and GND pads near the MSD338 chip (often labeled J1 or J2). Use Putty or Screen at 115200 baud . Cvte-msd338-512m Smart Tv Update UPD
The TV will detect the file and ask to reboot to start the process. ⚠️ Critical Warning: Panel Resolution The MSD338 board supports different screen resolutions ( Check your panel you're facing with your TV (e