: Firmware (software) update for the TV's motherboard to fix boot issues, software glitches, or refresh the Android OS. Resolution Support : 3840x2160 (4K UHD).
: Unplug the TV, insert the USB, hold the power button, and plug it back in. The standby light should start blinking to signal the update. Download HV553 3840x2160 GENERAL 55JP55UAS part02 rar
: Use a tool like WinRAR or 7-Zip. Open part01.rar , and it will automatically pull data from part02.rar to create the full firmware file (usually named allinstall.bin or update.img ). : Firmware (software) update for the TV's motherboard
: Format a USB drive to FAT32 . Copy the extracted file to the root directory (not in a folder). insert the USB