If the TV is bricked and won't boot, you will need a programmer (like the Go to product viewer dialog for this item.
Navigate to and select Local Update . Forced USB Upgrade : With the USB inserted, power off the TV. Download MS08B1 MAD2LG Backup Dump part1 rar
) to write the .bin or .rar dump file directly to the memory chip. If the TV is bricked and won't boot,
: This repository contains several versions of the dump, including: TCL LED49D2930-40-MS08B1-MAD2LG .rar (171.9 MB) . LED49D2930 MT29F4G08ABADAWP 40-MS08B1-MAD2LG.7z (164 MB) . ) to write the
Download the official software and copy it to a FAT32-formatted USB drive. Insert the drive into the TV's USB port.
To download the backup dump or firmware, you can find specific files often hosted on technician forums or community repositories. These files are typically used for repairing TV mainboards like the 40-MS08B1-MAD2LG commonly found in TCL or Thomson LED TVs. Available Download Resources
Hold the physical power button on the TV for about until the upgrade process starts automatically. EEPROM/NAND Flash Dump :