T-Mobile's prepaid unit unveiled four new plans on Tuesday that provide a five-year price guarantee and monthly charges as low as $25 per line, as the company seeks to shield its market share from competition amid economic uncertainty.

More Experiences to define the T-Mobile experience. The top of the new T-Mobile postpaid lineup is two new plans: Experience More and Experience Beyond. Experience More is the nex

Wireless provider T-Mobile has introduced new post-paid plans with lower costs, added features and a new five-year price-lock guarantee. This article, T-Mobile introduces new postpaid plans with price-lock guarantee,