Press and hold the button on the TV's local keyboard (not the remote).
: Features a USB port that supports hardware decoding for various video and audio formats, allowing direct playback from a USB drive. Download RD8503 PB824 1920x1080 General USB rar
: Uses low-power chip technology and a large heatsink for efficient cooling. USB Firmware Installation Guide Press and hold the button on the TV's
To update or change the resolution to 1920x1080 via a .rar or .pkg firmware file: : Use a USB drive formatted to FAT32 . USB Firmware Installation Guide To update or change
If you need to adjust screen parameters or reset the board after a flash: Open the -> Picture -> Contrast . Enter the numeric sequence 6 4 2 5 on the remote. 24 Inch LED TV Board TP.RD8503.PB824
Wait 5–7 seconds until the status LED starts blinking, then release the button.