Use a tool like 7-Zip to extract the contents. You must have all parts of the RAR set present to extract the actual firmware file (usually named allupgrade_ms638_sos.bin or similar).
The file typically refers to a firmware update package for TP.MS638.PC822 or similar Android-based Smart TV motherboards. These files are used to repair TVs stuck on the logo screen or to update system software for 4K UHD resolutions. File Technical Details Download MS638 751 3840x2160 768M part02 rar
Release the button once the "Software Upgrading" screen appears. during this process. Important Precautions Use a tool like 7-Zip to extract the contents
To install this firmware, you generally need to perform a "USB Upgrade" following these steps: These files are used to repair TVs stuck
Hold the button on the TV panel (not the remote) and plug the TV back in.
Flashing incorrect firmware can "brick" your TV mainboard. Always verify the Panel Number (found on a sticker on the back of the LCD panel) matches the firmware description.
Firmware is panel-specific. Using firmware for a different screen model can result in a "mirror" image, inverted colors, or a blank screen.