The firmware file refers to the system software for a Gosonic LED TV using the HK.T.RT2938P838 mainboard. This specific board supports Full HD resolution (
Format a USB flash drive (typically 8GB or smaller) to on a PC.
) and is common in various smart TV models from manufacturers like Gosonic. Overview of HK.T.RT2938P838 Firmware
The update may take 3 to 7 minutes. power off the TV or remove the USB drive during this process.