T-Mobile Fiber Unveils Its Fastest Plan Yet — 5 Gig with a 10-year Price Guarantee

At just $90/month, the new 5 Gig plan delivers the speed and capacity to keep up as households' internet needs grow, with a price guaranteed for a decade BELLEVUE, Wash., November 02, 2026--(BUSINESS WIRE)--T-Mobile (NASDAQ: TMUS) today announced T-Mobile Fiber is launching its fastest plan yet, bringing customers 5 Gig fiber internet backed by a 10-year price guarantee. Built for busy, connected households, 5 Gig is made to keep up when everyone — and everything — is online at once, with an internet price customers can count on for a decade. The Fiber 5 Gig plan is available starting tomorrow, November 3, for $90 a month with AutoPay, plus taxes and fees.