: Use a tool like WinRAR or 7-Zip to extract the .rar file. You should find a file typically named allupgrade_... .bin or install.img .
: Copy the extracted firmware file directly to the root directory of the USB drive (do not put it in a folder). 3. Installation Process (Force Flash) Download RT2936P638 1366x768 Haier rar
: Look for the exact filename RT2936P638 1366x768 Haier.rar on technical sites like QFixIt or specialized LED TV software repositories. : Use a tool like WinRAR or 7-Zip to extract the
If the TV is functional and you are just updating the software: Download RT2936P638 1366x768 Haier rar
: Use a USB flash drive (8GB or smaller is recommended) and format it to FAT32 .