: Place the extracted firmware file directly onto the root directory of the USB drive (not inside any folders). Initiate the Update : Power off the TV and unplug it from the wall. Insert the USB drive into the TV's USB port. Press and hold the Power button on the TV (not the remote). While holding the button, plug the TV back in.
: Match your TV's board number (e.g., 20-ASEU174-11-0X ) or the NAND chip type to the firmware description to prevent bricking the device. Download Haier E40K5000TFN Firmware Iran part2 rar
: Use a tool like WinRAR or 7-Zip. Opening "part1" will automatically pull data from "part2.rar" to reconstruct the full firmware file (usually an .bin or .img file). How to Install the Firmware via USB : Place the extracted firmware file directly onto