BUYING GUIDEIs switching to T-Mobile worth it? There are ups and downs, but overall the un-carrier is better.
AT&T throttles 'unlimited' users' data speeds when they reach a certain cap, not when its networks are congested.
The 'un-carrier' is cracking down on a small batch of customers who are using unlimited data plans for unapproved purposes.
Sprint rings another death kneel for unlimited data as it prepare to implement 'congestion management.'