The TV will scan the drive, find the file, and ask for confirmation to begin.
Move the extracted .bin or .img file to the root directory of the USB drive. Do not put it inside any folders, or the TV will not find it. 2. Installation (The "Auto-Update" Method) Most MT5507 boards use an automatic bootloader update: Power Off: Unplug the TV from the wall. Download MT5507 PB801 1920Г—1080 REF48 USB part4 rar
Use a standard USB flash drive (ideally 8GB or smaller). Format it to FAT32 . The TV will scan the drive, find the