Last Updated on November 3, 2026
Summary✨
- T-Mobile launched the 5 Gbps fiber internet plan with a 10-year price guarantee of $90 per month.
- The service offers symmetrical speeds, making it suitable for gaming, video calls, and multiple connected devices.
- Customers enjoy a fixed monthly rate without promotional price increases and unlimited data.
- T-Mobile expanded its fiber options with plans ranging from Fiber 300 to Fiber 5 Gig, each at various price points.
- The 5 Gbps plan starts on November 3, 2026, with promotional offers available in select areas.
T-Mobile has introduced its fastest home internet plan yet, 5 Gbps fiber internet with a 10-year price guarantee. The new T-Mobile Fiber 5 Gig plan is priced at $90 per month with AutoPay and is designed for households that need very high-speed internet service across multiple connected devices.
The service was announced on November 2, 2026, and it’s available starting November 3 in select locations across the United States. It offers symmetrical upload and download speeds, meaning that both download and upload speeds are 5 Gbps, allowing users to enjoy the same high speeds when uploading and downloading files.
T-Mobile Fiber 5 Gig Plan and 10-Year Price Guarantee
The biggest highlight of T-Mobile’s new 5 Gig fiber internet plan is its 10-year price guarantee. Customers subscribing to the plan will pay a fixed amount of $90 a month for an entire decade from the date of signing up for this package.
Unlike promotional internet offers that increase in price after an introductory period, T-Mobile says customers will receive the regular rate from the beginning, with the price guaranteed for 10 years.
However, the guarantee applies to the base internet price. Taxes and fees, voluntary equipment or speed upgrades, select limited-time promotions, per-use charges, and third-party services are excluded.
The symmetrical speeds make it ideal for online gaming, video calls, cloud backups, large file transfers, and households with several connected devices.
T-Mobile says that it also offers a Wi-Fi router without monthly equipment charges, professional installation at no additional cost, unlimited data without caps, and no annual contract. Customers do not need to subscribe to T-Mobile’s wireless service to qualify for the 5 Gig Fiber plan.
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T-Mobile 5 Gbps Fiber Internet Plans, Prices and Other Packages
Alongside the new 5 Gig plan, T-Mobile has expanded its fiber internet lineup with four speed options. The company is also offering limited-time discounts and promotional benefits in select locations.
| Internet Plan | Monthly Price |
| Fiber 300 (300 Mbps) | $35 |
| Fiber 1 Gig (1 Gbps) | $55 |
| Fiber 2 Gig (2 Gbps) | $70 |
| Fiber 5 Gig (5 Gbps) | $90 |
All prices require AutoPay and exclude applicable taxes and fees.
As you can see, the Fiber 300 plan is suitable for everyday internet activities, including streaming, browsing and working from home. Meanwhile, the 1 Gig and 2 Gig options target households with multiple users who regularly stream, game, and work online.
The top-tier 5 Gig plan is designed for high-demand households that need additional bandwidth and faster data transfers.
For a limited time, T-Mobile is also offering promotional benefits:
- Fiber 300: $10 monthly savings.
- Fiber 1 Gig: $5 monthly savings, one month free through a bill credit and a $100 virtual prepaid card.
- Fiber 2 Gig: One month free through a bill credit and $300 in virtual prepaid cards.
- Fiber 5 Gig: Two months free through bill credits and $300 in virtual prepaid cards.
The prepaid card offers are subject to eligibility and may take up to 14 weeks to arrive. The promotions are available in select locations.
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Availability
T-Mobile Fiber 5 Gig becomes available, starting November 3, 2026, in eligible areas of the United States. Interested customers can visit the company’s official website to check service availability and current offers at their addresses.
With its new 5 Gbps plan and decade-long price guarantee, T-Mobile is looking to attract households seeking faster fiber connectivity without worrying about regular base-price increases for years.
