40-ms801a-mac2hg: Firmware

on the TV (not the remote).

Resolve issues where the TV is stuck on the TCL logo.

Ensure pre-installed apps like Netflix or YouTube run without crashing. 40-ms801a-mac2hg firmware

Address random restarts or unresponsive remote controls. How to Install 40-MS801A-MAC2HG Firmware

In severe cases where USB updates fail, technicians may need a "NAND dump" file and a hardware programmer to flash the chip directly. on the TV (not the remote)

Using firmware meant for a different board version (e.g., 40-MS08BP) can permanently damage your TV.

Download the correct firmware file (usually named MstarUpgrade.bin ) from a trusted source like the TCL Support Page or community forums. Address random restarts or unresponsive remote controls

Format a USB drive to and copy the .bin file to the root directory (do not put it in a folder). Insert the USB into the TV's USB Port 1 .