TechSmartphone price war escalates as T-Mobile debuts $100 four-line plan T-Mobile keeps the pressure on AT&T and Verizon. The telecom is introducing a family plan with 10 GB of data, free streaming music and $100 for four lines.by Robert Lawson
TechT-Mobile and MetroPCS to release Nokia Lumia 635, first Windows Phone 8.1 smartphone in U.S. [Video]by James Geddes
TechSprint offers one-month trial, wants you to forget T-Mobile's 'Seven Night Stand'by Sumit Passary
TechNo-contract Windows Phone 8.1 Nokia Lumia 635 for AT&T and T-Mobile available for pre-order from Microsoftby James Geddes