TCL L48S4690FS SMART TV FIRMWARE
TCL SMART TV USB UPDATABLE FIRMWARE
RESOLUTION 1920*1080 FULL HD
BOARD MS801S 40-MS801A-MAC2HG
You will download rar file extract it Copy MstarUpgrade.bin file to fat32 formatted usb Install Port One USB with TV Press and hold the power button with the side touch button and insert the main power Software update will start If for some reason the software is not being installed, So along with the software file you will get the file of a memory IC 25q16 This is a boot file, you will update it separately, by removing the memory, then your software will be updated correctly.