Use your phone as the remote for your Android TV - Google Help
or similar smart home bridge, you can use their dedicated apps to control any Arris box via Wi-Fi-to-IR conversion. Quick Troubleshooting for Arris Remotes arris-tv-box-remote-app
If you don't want to use a provider-specific app, you have two main hardware-dependent options: Use your phone as the remote for your
Arris is a hardware manufacturer; they provide the boxes to cable and internet companies who then provide the software. To control your box, you typically need the app from your provider: arris-tv-box-remote-app