T-Mobile Fiber adds 5 Gig plan for $90 a month with 10-year price lock
Key points
- T-Mobile announced a new 5 Gig plan for its Fiber home internet service on November 2, 2026.
- The plan costs $90 a month with AutoPay and goes live November 3.
- T-Mobile is backing the plan with a 10-year price guarantee, which locks in the internet price for a full decade from the day a customer signs up.
- T-Mobile says the plan is built for busy households where many people and devices are online at once.
- It is the fastest plan T-Mobile Fiber has offered so far.
T-Mobile has added a 5 Gig plan to its Fiber home internet service. The company announced it on November 2, 2026. The plan goes live November 3 and costs $90 a month with AutoPay. It is the fastest plan T-Mobile Fiber has offered.
The plan comes with a 10-year price guarantee. That means the internet price is locked in for a full decade from the day a customer signs up. TmoNews notes that long-term price guarantees were something many T-Mobile customers were sad to see go, and says this one brings the idea back. Android Authority also points to the price lock as the more surprising part of the deal, beyond the speed.
T-Mobile says the plan is made for busy, connected households, where everyone and everything is online at once. CNET describes it as a top-tier option for households that are running into bandwidth limits. 5 Gig means speeds of up to five gigabits per second, a level most homes will not need but one that can help when many devices share a single connection.
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