Create xfinity mobile account. Use your Xfinity ID to sign in. Get started on how Xfinity Mobile works, porting, activation, FAQs and other early stages of the experience. Here’s a guide to signing up for an Xfinity Mobile plan. Use your Xfinity ID to log in. If you’re a new internet customer, you’ll need to sign up for that first. Xfinity Mobile Xfinity Mobile Xfinity Mobile offers cheap and powerful cell phone plans for those who qualify. To do this, simply complete the following steps:. Here are the instructions how to enable JavaScript in your web browser. You can either buy a new phone from Xfinity or bring your own. We'll send an automated text message to this phone number with a verification code which you'll need to enter on the next step. Learn how to create an Xfinity ID to access your Xfinity services online. Review your plan, confirm Before you can use internet service on your laptop, notebook, smartphone, or other browser-based device, you need to create your account. Get everything you need from Xfinity Mobile. Pay your bill, add a phone line, upgrade a device, change your account, Manage your Xfinity Mobile account, pay bills, upgrade devices, and access services seamlessly in one place. efh5t d1j8 w2i 0big4hf cyn eam fopuexbg bnnwvp mjvxf ilkv