How to make sure your phone works on a prepaid alternative carrier
(iMore iPhone)

Here`s how to make sure your unlocked or pre-owned phone will work with an alternative carrier. There are a number of things to consider before moving to an alternative carrier. How much data do I really need? Am I looking for better service, or just cheaper service? And if I already have a phone, will it work on the carrier that I choose? We`re going to delve into this topic, but there are a couple of things we should get out of the way beforehand. ADVERTISEMENT An introduction Before we talk about whether your phone will work on a particular alternative carrier, we should direct you to a few introductory posts about what exactly these companies offer, and why you should think about switching over. What is an alternative carrier? What do I need to switch from the Big Four to an alternative carrier? Once you`ve read through those, there are a few more things you need to know. In the U.S., there are four major carriers with nationwide networks — AT&T, T-Mobile, Sprin...