: The "part04" indicates this is one segment of a split RAR archive. You must download all parts (e.g., part01, part02, part03, and part04) into the same folder and extract the first one to get the complete firmware file.
Installing the wrong resolution firmware (e.g., 1080p firmware on a 720p screen) can result in a "black screen" or distorted image that is difficult to fix. Always verify your TV's panel resolution before flashing. Download SP33811 1920x1080 USB part04 rar
Firmware for these generic boards is rarely hosted on official manufacturer sites and is instead found on community firmware repositories: : The "part04" indicates this is one segment
