Android 7.0 or Android 11, depending on the TV's revision. How to Install the Firmware via USB
Are you experiencing a specific issue, such as the TV being or a blank screen ? Android 7
The firmware for the (often stylized as Polarine) is designed for televisions utilizing the TP.MT5522S.PC822 Initiate Update : Power off the TV and
: Copy the extracted .pkg file (e.g., allupgrade_5522_sos.pkg ) directly to the root directory of the USB drive. Initiate Update : Power off the TV and unplug it from the wall. Insert the USB drive into the USB 1 port. This 4K Ultra HD Smart TV features a
motherboard. This 4K Ultra HD Smart TV features a resolution of 3840x2160 and typically runs on an Android-based operating system. Firmware Specifications
Plug the TV back in. On many models, the update starts automatically. If not, hold the button on the TV (not the remote) while plugging it in until the update progress bar appears.