Or buy a compatible phone for just $50. Either way, you'll score a surprising amount of minutes, text messages and data. So what's the catch?
A wearable set of sensors can tell when you stop moving or thinking and prods you back into activity with a series of unpleasant sensations.
For the ninth quarter in a row, T-Mobile has added more than 1 million net total customers. The question remains: will that be enough to take the No. 3 spot?
With the help of motion detection, Android Doze enables handsets to "doze" into a deeper sleep when inactive, and thus improves battery life.
Dark Knight bends his no-gun rule to get the tactical edge.
Fake followers hurt your credibility -- so clean up your follower list!
Formerly known as JustUnfollow, the newly renamed app displays your Twitter followers, unfollowers, inactive users, admirers and more in one shot, and works with Instagram as well.
The social network is changing the way it tallies the number of likes that a Facebook Page has accumulated.
The answer is a little complicated, but T-Mobile will almost certainly officially eclipse Sprint in the current quarter.
Your posthumous profile page can now be managed by someone you designate to handle that part of your online legacy.