: Use a drive with 8GB or less capacity, formatted to FAT32 .
There are two common methods for Haier TVs. Try Method A first; if the TV is "stuck" on a logo or won't turn on, use Method B. Plug the USB drive into the USB 2.0 port of the TV.
Keep holding the button until you see an "Upgrading" or "Software Updating" progress bar on the screen.
To update your TV via USB, you need to ensure you have the correct firmware file (usually named install.img or upgrade_loader.pkg inside the .rar archive) and a compatible USB drive. 1. Prerequisites
Firmware is specific to the Main Board and Panel Number of your TV. Installing the wrong version can "brick" the device or cause an inverted/distorted picture. If you'd like, I can help you verify your version if you provide the serial number or panel model from the sticker on the back of the TV.
: Copy the firmware file (e.g., MstarUpgrade.bin or similar) directly onto the USB drive. Do not place it inside any folders. 3. Installation Procedure
and wait. Do not turn off the power during this time. 4. Finalization