: Place the firmware file into the root directory of the USB drive (do not put it in a folder). Insert & Power Turn off the TV and unplug the power cord. Insert the USB drive into the TV's USB port. Plug the TV back in. Initiate Update : Press and hold the Power button
Updating or "flashing" this board is usually done via a rather than an over-the-air (OTA) update. Preparation thv55381 firmware top
TH.V553.81 (often referred to as TP.HV553.PC821 ) is a common smart TV motherboard found in brands like and various Chinese LED TV models. Firmware Basics The firmware for this board typically supports a 1GB RAM + 8GB ROM : Place the firmware file into the root