While holding the button, plug the TV back into the power outlet.

Use a USB 2.0 drive with a capacity of for the best compatibility. Format the drive to FAT32 .

: Once the light stops flashing or the TV restarts, the process is complete. Unplug the USB drive. Important Precautions

: Often downloaded as a .rar or .zip file. You must extract this file using a tool like WinRAR or 7-Zip to get the raw firmware file (usually ending in .bin ). Step 2: Prepare the USB Drive

. Because official Haier firmware repositories are often region-specific or restricted to technicians, you may need to look for reliable third-party electronics repair forums.

: A power failure during the update will likely damage the TV's mainboard permanently.

: Plug the prepared USB drive into the TV's USB port. Trigger Update :