3rt841b Firmware Upd – Trusted & Best

Press and hold the on the TV panel (not the remote) and plug the TV back in.

There are two primary methods for updating the 3RT841B's firmware. The USB method is the standard procedure, while the advanced method is for recovery.

Keep holding the button down until the screen illuminates with a flashing or "Software Updating" progress indicator.

Release the Power button. while this installation is executing, as doing so will permanently brick the motherboard.