The backlight is on, but there is no picture or menu.
for different TV brands using MStar. Which of these would be most helpful? INFxx33E - Panel/Android Firmware Update
After flashing, the TV will reboot. Remove the USB drive immediately (otherwise it might re-flash on the next power cycle). The TV should show the manufacturer logo and then a "First Time Setup" screen.
Often includes a CRC32 checksum at the end to ensure the file is not corrupted before the flashing process begins. Common Applications
When everything aligns, that humble little file will bring your screen back from digital oblivion.
Format the drive to (this completely erases all existing data).