The shakeup is good for everyone, but if you own an AT&T iPhone and are ready to switch carriers, T-Mo's new bargain plans are looking you straight in the eye.
A $50 no-contract plan sounds too good to be true, but the company's formula is simple: instead of subsidizing a phone upfront and shifting the cost to the monthly fee, new customers will pay the full -- or in some cases, slightly discounted -- price of the phone and enjoy a lower monthly.
But if you already have an AT&T iPhone and you aren't locked into a contract, you can easily use that phone on T-Mobile's network. The process is simple, but requires a little setup, and for some, sacrifice.
Step 1: Read the fine print Before you jump for joy, beware that using an AT&T iPhone on T-Mobile isn't always a positive experience. Yes, AT&T and T-Mo both use GSM (SIM cards), making them a good match, but a problem lies in the network.
Different networks run on different bands (like frequencies). While T-Mobile's 3G and 3.5G networks run on the AWS 1700 bands, AT&T's iPhones run on the AWS 1900 band, which T-Mobile doesn't ent... [Read more]