ONT stands for “Optical Network Terminal” (ONT). It’s that bulky box the Verizon technician installs for FiOS Internet, TV, and phone. This device takes the fiber optic signals coming from the Verizon backbone and translates them for use with devices in your house.
First get your remote control code.
Turn on your TV and the Fios TV Set-Top Box and ensure you can see live TV.
Press and hold the OK and 0 (zero) buttons at the same time.
Enter the remote code for your TV that you located in step 1.
Press and release the Ch+ button until the TV turns off.
How do I reset my Verizon Remote?
Follow the steps below.