: Extract the .zip and place the firmware file (often named allupgrade_...bin or similar) into the root directory of the USB drive. Initiate Update : Turn off the TV and insert the 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
How to update the firmware on the SMART Board GX (V4) Plus (2026) : Extract the
: The string 20200814 135841 indicates this is a build from August 14, 2020.
Keep holding the button until the "Software Updating" screen appears on the TV. Installation Steps How to update the firmware on
, 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
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. This specific model is a Smart Android TV
: 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).
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