go55On April 20th, 2025, T-Mobile announced three new cell phone plans: Essentials Savings, Go5G, and Go5G Plus. If you're an existing T-Mobile customer or thinking about sning up as aOffer for adults age 55+ This plan is for new customers age 55 and older. Get the first for $85month, two s for $130month with AutoPay, with monthly taxes and fees included.