Since you are looking for , you must have all preceding parts (part01 through part04) in the same folder on your PC to extract the complete firmware.
: 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. Download MT5522S PC822 3840x2160 Skyline part05 rar
: Ensure you have all required segments of the .rar set. Since you are looking for , you must
: Plug the drive into the USB 2.0 port (often white or labeled). Since you are looking for