How to update the firmware on the SMART Board GX (V4) Plus (2026)

Keep holding the button until the "Software Updating" screen appears on the TV.

If you obtain the .zip or .bin file, the typical manual update process for this board is as follows: : Use a FAT32-formatted USB drive.

: 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

, 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

: Do not power off the TV during this process, as it can brick the mainboard. Technical Verification Board : TP.MT5522S.PC822 Panel : CC575PU1L (often associated with 58-inch 4K panels).

: The string 20200814 135841 indicates this is a build from August 14, 2020.