As long as your phone is ... you need a new phone or if you can keep your old one. They will then walk you through the steps to activate a SIM card and should take care of the rest.

If you bring your own device, figure out which size SIM card you need and pop out the correct one before inserting it into ...

chances are you want to take advantage of this technology. Here’s how you can activate a phone with the carrier via eSIM instead of a conventional SIM card. Xfinity Mobile keeps the rules pretty ...