If you have the (found on a sticker inside the TV), I can help you narrow down the exact firmware version!

Use a stable programmer like the CH341A or RT809F to write the .bin file directly to the flash chip. Thanks in advance for the help! Where to find this file:

LED TV. My unit is currently stuck on the standby light/logo, and I suspect a corrupted firmware. TV Model: Cristor 40LH420 Mainboard: TP.MS3663S.PB801 (MS3663 PB801)

is a very common "3-in-1" board used in various 40-inch LED TVs. If you are flashing this, remember to: