Do you have a like the RT809F to write this dump directly to the chip, or are you trying to update via USB ?
The backup dump file for the mainboard used in the TCL 32B3700 Download MS18VG P77 TCL 32B3700 Backup Dump rar
: This site is a primary repository for technicians and frequently hosts eeprom and firmware dumps. Search for MS18VG.P77 Dumps Do you have a like the RT809F to