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Your AT&T phone might work with a different carrier. Some devices can be unlocked to work with other cell phone service providers.

It’s your phone and you need it now!

You can check your AT&T bill balance and due date any time by text from your iPhone, Android or other mobile device. Learn how to do it and avoid late fees.

Ever since AT&T discontinued its unlimited data plan, it's been important to keep an eye on your data usage. Thankfully, you can check your data usage at any time via text.

I've been eying a coworker's Galaxy Note 3 as a replacement for my aging iPhone 4s. However, I couldn't justify spending $700 so I wanted to check my AT&T upgrade eligibility.