Can I reboot my gateway from my phone away from home?

Thanks for meeting us here in our community for assistance with your services, @user_x0kcy0. You've reached the right team for assistance.

Yes, you can troubleshoot your Gateway and your cameras in your Xfinity app. Here: https://www.xfinity.com/support/articles/camera-troubleshooting is a helpful article that will assist with troubleshooting your cameras. Let us know how it goes.