Go to > Device Preferences > About > System Update .
: Keep holding the button until the "Software Upgrading" or a progress bar appears on the screen. Download RT2936P638 1366x768 Haier rar
: Press and hold the Power button on the TV panel (not the remote) while plugging the power cord back into the outlet. Go to > Device Preferences > About > System Update
: Ensure the firmware matches your panel resolution ( ). Installing the wrong resolution (e.g., firmware on a screen) can lead to a distorted or black display. 2. Prepare the USB Drive Download RT2936P638 1366x768 Haier rar
: Do not turn off the power during this process. The TV will typically restart automatically once finished. 4. Alternative: Standard Menu Update