cell phone cannot stay connected after new router install

user_8gb62y Good morning! Thank you for reaching out to our Xfinity Forums Community regarding your cell phone connection. I can definitely see how this would frustrating. I'd be delighted to help you iron out this issue. Before we dive in, can you please share what troubleshooting steps you have already tried? This way I have an idea on where to pick up at. Also have you tried to forget the newtork, and re-enter your network information to your phone?