Turn on the TV
Insert fresh batteries into the Xfinity remote
Make sure the Xfinity box is powered on
Press and hold the Setup button until the LED turns green or red
Enter the TV manufacturer code using the number buttons
Wait for the LED to blink twice
Press the Power button to test the TV
If the TV turns off, press the Setup button to save the code
If the TV does not respond, repeat the steps with a different code
Use the Xfinity remote setup option in the Xfinity box menu if needed
Follow the on-screen instructions to complete pairing
Test the volume and power buttons after pairing