: 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 .
If your TV is stuck on the logo or won't boot, follow these "Force Flash" steps: : Unplug the TV from the wall outlet. Insert USB : Plug the USB drive into the TV's USB port.
: Press and hold the Power button on the TV panel (not the remote) while plugging the power cord back into the outlet.