: The site KenotronTV and various Telegram groups often host USB-upgradeable versions of this firmware for various brands (Skyline, Akai, Eurostar) using the same board. Installation Steps
To download the firmware for the with the mainboard TP.MT5522S.PC822
: The string 20200814 135841 indicates this is a build from August 14, 2020.
, you can find the software files on specialized TV repair and technical forums. This specific model is a Smart Android TV using the Mediatek MT5522S chipset. Technical Repositories : Files for the TP.MT5522S.PC822