file to the root of a FAT32-formatted USB drive. Insert the drive into the powered-off TV, then plug the TV into a power outlet. The update should begin automatically. Hard Reset/Recovery
: Plug the drive into the standard USB 2.0 port on the TV. hk.t.rt2861v09 firmware
: Unplug the TV power cord completely from the wall outlet. file to the root of a FAT32-formatted USB drive