The firmware for 4K "Skyline" TVs (3840x2160) is typically distributed in multiple compressed parts (e.g., part01 to part05) because of the large file size required for high-resolution panels. To use these files, you must combine and extract them before following a standard USB flashing procedure. 1. Combine and Extract Firmware Files

: Press and hold the Power button (or sometimes the CH+ button) on the TV's physical panel, then plug the power cord back in while continuing to hold the button.

: The TV should restart automatically once finished. Remove the USB drive immediately to prevent it from entering the update loop again. USB Software Update Instructions for TV | PDF - Scribd

: Plug the drive into the USB 2.0 port (often white or labeled).

Since you are looking for , you must have all preceding parts (part01 through part04) in the same folder on your PC to extract the complete firmware.

: Release the button once the standby LED begins to blink rapidly or a progress bar appears on the screen. Do not turn off the power during this time, as it can permanently damage (brick) the TV.

: Ensure you have all required segments of the .rar set.

: Right-click on part01.rar and select "Extract Here" using a tool like WinRAR or 7-Zip. This will automatically pull data from all parts, including part05, to create a single firmware file (usually ending in .bin or .img ). 2. Prepare the USB Drive