The TV powers on but stays frozen on the Hyundai splash screen.
Colors are distorted, or the image is upside down (often caused by incorrect panel settings in the software).
Always backup your current corrupted firmware first just in case.
Erase the flash memory, then write the new H3960AD2UE backup file.
Flashing firmware carries risks. Ensure the board number matches your hardware exactly. Using firmware for a different board revision can result in a "hard brick" where the TV will no longer power on at all. If you'd like to proceed with the recovery: