Press and hold the on the TV panel (not the remote).
Insert the USB drive into the (avoid USB 3.0 ports for flashing if possible).
: Flashing incorrect firmware can permanently "brick" your TV. Verify your mainboard model and panel resolution (4K/UHD) before proceeding.
: You must have all related parts (part01 through the final part) in the same folder before extracting. Use a tool like WinRAR or 7-Zip to extract "part01," which will automatically pull data from part09 and others to form the complete .bin or .img file.