Plus applicable taxes & fees. Not available in all areas. Return each device undamaged or fee may apply. Wi-Fi Mesh extender: Includes up to 1 mesh extender, as needed, based on professional installer assessment. Fiber AutoPay discount while using AutoPay with bank account or debit card, otherwise $10 more/line/mo. Max 1/account. May not be reflected on first bill. Savings: With $10 monthly bill credit. Limited-time; subject to change. Qualifying credit, T-Mobile postpaid voice line as Fiber account phone number, and a new Fiber Internet line required. Credits may take up to 2 bill cycles; credits will stop if you cancel any lines or change plans. Limit 1/account. May not be combined with some offers, discounts, or promotions. 5-Year Price Guarantee means that we won't change the price of fiber internet data for at least 5 years while you are on an eligible plan. Taxes & fees, voluntary equipment or speed upgrades, future wireless generations, select limited-time promotions, per-use charges, third-party services, and network management practices aren't included. This guarantee starts when you activate or switch to an eligible plan and doesn't restart if you add a line or change plans after that. Not available in all areas. $200 Back: Limited-time; subject to change. Qualifying new Fiber Internet line activation (500 Mbps or higher) required. Order by 3/31/26 and service installation by 4/15/26. If you have cancelled Internet lines in past 90 days, you may need to reactivate them first. $200 via virtual prepaid Mastercard; use online or in-store via accepted mobile payment apps; no cash access & expires in 6 months. Virtual card is issued by Pathward®, N.A., Member FDIC, pursuant to license by Mastercard International Incorporated. Mastercard and the circles design are registered trademarks of Mastercard International Incorporated. No cash access or recurring payments. Can be used where Debit Mastercard is accepted online, for phone/mail orders, or in stores that accept mobile wallet. Valid for up to 6 months; unused funds will forfeit after the valid thru date. Terms and conditions apply. Line with promo must be active and in good standing when card is issued. Max 1/account. May not be combined with some offers, discounts, or promotions. See Terms and Conditions (including arbitration provision) at https://fiber.t-mobile.com/legal/terms.