T-Mobile Cuts Fiber Internet Entry Price to $35 a Month With Autopay

Q: T-Mobile's $35 fiber deal seems unbeatable, but what hidden catch lies in their strict new AutoPay requirements?

The catch is that the $35 price depends on a very narrow kind of AutoPay, and customers can lose the discount if they use the wrong payment method or miss billing rules. T-Mobile’s Fiber AutoPay discount generally requires a bank account, debit card or the T-Mobile Visa Card. Ordinary credit cards are not eligible. That matters because many customers prefer credit cards for rewards, fraud protections or cash-flow flexibility. If they pay with a regular credit card, the monthly discount can disappear. There is also a billing trap: even paying early can cost you the discount if you use an ineligible method before AutoPay runs. T-Mobile says AutoPay typically withdraws payment about two days before the due date, and if the account is past due or the wrong payment source is used, the discount may be removed on the next bill. Customers should also note that taxes and fees are extra, so the advertised $35 is not the full bill. The promotional rate itself is temporary, and availability is limited to select fiber areas. In practice, the offer is strong, but it is not simply “$35 fiber.” It is $35 only if you keep eligible AutoPay active, stay current, avoid using a standard credit card, and remain in a service area where T-Mobile Fiber is available.

Q: With massive discounts on blazing-fast internet, what happens to your bill once T-Mobile's temporary promotion quietly expires?

When the promotion ends, your bill generally rises to T-Mobile’s regular monthly rate for that plan, plus taxes and fees, unless T-Mobile explicitly guarantees the promo price for a set term. Based on the offer details provided, that means Fiber 300 would typically go from $35 back to $55 a month, Fiber 1 Gig from $50 back to $70, and Fiber 2 Gig from $70 back to $80. The AutoPay discount is a separate factor. The advertised prices already assume AutoPay is active with an eligible payment method, usually a bank account, debit card, or T-Mobile Visa Card. If you lose AutoPay eligibility, use an ineligible credit card, or your account becomes past due, you can forfeit that discount and pay about $10 more per month on top of the post-promotion rate. T-Mobile says there are no annual contracts, equipment fees, data caps, or installation charges on these fiber plans, so the main risk after the deal expires is a higher base service charge rather than surprise rental or setup fees. Taxes and fees, however, still apply and can vary. The key step for shoppers is to read the fine print before signing up: confirm how long the promotional rate lasts, whether your address qualifies for any price guarantee, and whether the lower price is locked in or simply temporary. If that language is unclear, ask T-Mobile Fiber Care to spell out the exact monthly charge after the promotion ends.

2 articles · Updated · CNET · Aug 11

$35 a month plus taxes and fees now gets new T-Mobile Fiber customers the 300 Mbps plan with autopay, down from the usual $55.
The discounted offer also lowers Fiber 1 Gig to $50 from $70 and Fiber 2 Gig to $70 from $80, broadening the carrier's price tiers.
Installation and a new router are included across the plans, and all packages come with unlimited data.
T-Mobile is pitching the promotion as a lower-cost option for both smaller households and heavier-use homes, though the discounted pricing is temporary.