Once the TCL software update via USB is complete (100%), the TV will restart automatically. It may take 2-3 minutes on the first boot.
After the restart:
If your TV is stuck on the logo or won't boot, use the hard reset method: Tcl Software Update Usb
Crucial Warning: Installing the wrong firmware will brick your TV. You cannot install a TCL 5-Series firmware on a TCL 6-Series. You must locate your specific Model Number and Software Version. Once the TCL software update via USB is
How to find it:
You are looking for a code like: 55R617, 65C825, 50S546, or 43P725. Write this down exactly. You are looking for a code like: 55R617