: Use the Xfinity Remote app or the Xfinity Stream app. These allow you to change channels and schedule DVR recordings directly from your phone.
: On many Arris remotes (like the MP2000), you can reset by holding MENU and OK until the power light flashes twice, then entering 9-9-9-9 . arris-tv-box-remote-app
: For newer boxes, hold the SETUP button until the light blinks, then press the CABLE button and hold OK until the box responds. : Use the Xfinity Remote app or the Xfinity Stream app
: The Spectrum TV App acts as a virtual remote and allows you to cast content to your Arris-branded Spectrum box. arris-tv-box-remote-app
: The Cox Contour App provides remote control functionality for Contour-compatible Arris boxes.