Release the button when the front LED starts blinking rapidly or an "Upgrading" progress bar appears on the screen.
the TV or remove the USB until the process is 100% complete and the TV restarts. Where to Download
Copy the extracted firmware file directly to the of the USB drive (do not put it inside a folder). Installation Procedure Download RT2861P839 3840x2160 Clever55 part4 rar
If your TV is stuck on a logo or "bootlooping," use the method: Turn off the TV and unplug it from the power outlet. Insert the USB drive into the USB 2.0 slot of the TV. Press and hold the Power button on the TV (not the remote).
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. Release the button when the front LED starts
While holding the button, plug the TV back into the power outlet.
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 Installation Procedure If your TV is stuck on
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 .