Press and hold the Power button on the TV body, then plug it into the outlet. Keep holding the button until the indicator light starts flashing (usually red). Wait for Completion:
If you have successfully downloaded all parts (Part 1, 2, and 3) and extracted the .pkg file, follow these steps to flash your TV: Use a high-quality USB 2.0 drive, ideally 4GB or smaller . Format it to FAT32 . Press and hold the Power button on the
Copy the extracted .pkg file (e.g., allupgrade_5522_8G_1G_ref56.pkg ) directly to the of the drive (not inside any folder). Flash the Firmware: Turn off the TV and unplug it from the power outlet. Insert the USB drive into the USB 1 port. Format it to FAT32
Some models start automatically when you plug the TV back into the outlet. Insert the USB drive into the USB 1 port
Typically allupgrade_5522_8G_1G_ref56.pkg (Note: the name may vary slightly based on the specific panel revision). Installation Guide
: Excellent for user-shared firmware and troubleshooting for the Polarline PU11TC series.