: Press and hold the Power button (or sometimes the CH+ button) on the TV's physical panel, then plug the power cord back in while continuing to hold the button.
: Plug the drive into the USB 2.0 port (often white or labeled). Download MT5522S PC822 3840x2160 Skyline part05 rar
board often requires a "forced update" if the TV is stuck on a logo or won't boot. : Unplug the TV from the wall outlet. : Press and hold the Power button (or
: The TV should restart automatically once finished. Remove the USB drive immediately to prevent it from entering the update loop again. USB Software Update Instructions for TV | PDF - Scribd Download MT5522S PC822 3840x2160 Skyline part05 rar