Flashing the wrong firmware (e.g., for a different screen size or panel) can lead to an inverted or distorted image. Always double-check your panel model before proceeding.
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:
Typically allupgrade_5522_8G_1G_ref56.pkg (Note: the name may vary slightly based on the specific panel revision). Installation Guide
Some models start automatically when you plug the TV back into the outlet.
The indicator will flash slowly during the update (5–7 minutes).
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.
: Excellent for user-shared firmware and troubleshooting for the Polarline PU11TC series.
If you are missing the other parts of the archive, they are frequently hosted on technician forums such as: