Download the official software and copy it to a FAT32-formatted USB drive. Insert the drive into the TV's USB port.
: 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) . Download MS08B1 MAD2LG Backup Dump part1 rar
) to write the .bin or .rar dump file directly to the memory chip. Download the official software and copy it to
Navigate to and select Local Update . Forced USB Upgrade : With the USB inserted, power off the TV. power off the TV.