Use a tool like or 7-Zip to extract "part1." This will automatically combine all parts into a single firmware file, usually named allupgrade_2861.pkg or similar. Format a USB flash drive (preferably 8GB or 16GB) to FAT32 .
the TV or remove the USB until the process is 100% complete and the TV restarts. Where to Download Download RT2861P839 3840x2160 Clever55 part4 rar
Because the file is labeled "part4," it is part of a . You must have all parts (part1, part2, etc.) in the same folder to extract them successfully. Download all required parts of the RAR archive. Use a tool like or 7-Zip to extract "part1
Copy the extracted firmware file directly to the of the USB drive (do not put it inside a folder). Installation Procedure Where to Download Because the file is labeled
Release the button when the front LED starts blinking rapidly or an "Upgrading" progress bar appears on the screen.
Official firmware is often found on manufacturer support pages like Smart-Tech TV Downloads by entering your specific model name. For generic boards, technicians often use community forums or specialized firmware databases. How to update the firmware / Software on a Samsung TV