Home | T-Mobile Community T-Mobile breaking promises to seniors who were offered price-lock guarantee for life on 55+ rate plans In 2017, I signed up for a 55+ rate plan with the assurance that my monthly rate was price-locked for life This incentive was a primary reason that I switched from AT T to T-Mobile Now, T-Mobile is trying to raise my monthly rate by $10 00 When I spoke to their customer service people this