40-ms801a-mac2hg Firmware [exclusive] -

: Following a mainboard replacement, you may need to install the correct firmware version to match your specific screen panel. How to Install the 40-MS801A-MAC2HG Firmware

: If a TV "bricks" or fails to boot, reflashing the firmware is often the only way to recover the board. Installation and Risks 40-ms801a-mac2hg firmware

It seems you're asking for a review of the firmware. However, that appears to be a mainboard/chassis code (likely for a TCL or RCA TV using an MS801 platform with an MStar/MediaTek chipset), not a specific firmware version name. : Following a mainboard replacement, you may need

A flash programmer tool (like the RT809H or CH341A ) and an SOP8/ISP clip. However, that appears to be a mainboard/chassis code

With the TV unplugged, insert the drive, then hold the button while plugging the TV back in.

the button once the front LED starts blinking rapidly or an "Upgrading" progress bar appears on the screen.