Plug the flash drive into a USB 2.0 port on the TV while it is powered off.
Use a computer to format a USB flash drive to FAT32 . This is the only file system most TV mainboards can read for updates. Download MT5510I PB801 1920X1080 JVC REF30 part08 rar
If the USB method fails, the issue might be with the on the board, which may require professional repair. Local experts like Siddik Smart Electronics provide specialized services for this specific board in regions like Dhaka. Plug the flash drive into a USB 2