While holding the OK button, plug the TV back into the power outlet. Release the OK button once the standby LED begins to blink rapidly
Vestel TVs are picky about USB drives. Follow these exact specifications: vestel firmware update usb
Once the progress bar reaches 100%, the TV will restart automatically. Do unplug the power or the USB drive until the TV has fully rebooted to the main screen. You can verify the new version in the "About" menu. While holding the OK button, plug the TV