: Flashing the wrong firmware or a corrupted dump file can permanently damage (brick) your TV's mainboard. Always verify that the mainboard number ( MS18VG P77 ) matches your hardware exactly before proceeding.
Technical files for this specific chassis can be found on several community-driven repair platforms: Download MS18VG P77 TCL 32B3700 Backup Dump rar
: If the TV boots but has display issues (like a mirror image), you may need to enter the Service Menu by pressing Menu > 119 or Mute > 119 on the remote. : Flashing the wrong firmware or a corrupted