T-Mobile adds 5 Gig fiber plan at $90/month

TL;DR: T-Mobile launched a 5 gigabit home fiber plan on November 3, 2026, priced at $90 per month with autopay, and said customers who sign up now can keep that base price for 10 years.

T-Mobile launched a 5 gigabit fiber broadband service on November 3, 2026, priced at $90 per month. T-Mobile said the 10-year price guarantee applies to customers who sign up now.

T-Mobile now lists four home fiber plans: Fiber 300 Mbps at $35 per month, Fiber 1 Gig at $55 per month, Fiber 2 Gig at $70 per month, and Fiber 5 Gig at $90 per month. T-Mobile said these prices require autopay and exclude taxes and fees.

T-Mobile said its fiber service uses a direct fiber-optic connection to the home and offers symmetrical speeds, with uploads matching downloads. The company said the 5 Gig plan is aimed at households with high simultaneous bandwidth use, including gaming, work, video calls, security cameras, cloud backups, and smart home devices.

T-Mobile said the 10-year price guarantee does not include taxes and fees, voluntary equipment or speed upgrades, select limited-time promotions, per-use charges, third-party services, or network management practices. T-Mobile also said, for a limited time, customers can receive bill credits equal to two months free and $300 in virtual prepaid cards if they do not cancel within the first year.