This is T-Mobile's legal contract that governs your wireless service, covering everything from how you're billed to what T-Mobile can do with your data and how disputes must be resolved. The most important thing to know is that by using T-Mobile's service, you give up your right to sue T-Mobile in court or join a class action lawsuit — all disputes must go through private arbitration. If you want to opt out of arbitration, you must send a written notice within 30 days of agreeing to these terms.
Technical Summary
This document constitutes T-Mobile's master Terms and Conditions governing the contractual relationship between T-Mobile USA, Inc. and its wireless service customers, establishing binding obligations related to service use, billing, device financing, data practices, and dispute resolution. Key user obligations include payment of all charges regardless of disputed use, compliance with acceptable use policies, and agreement to T-Mobile's unilateral right to modify rates and terms with 30 days' notice. Notably, the document contains a mandatory binding arbitration clause with a class action waiver, a shortened dispute filing period, and grants T-Mobile broad rights to suspend or terminate service without advance notice for conduct it deems inappropriate. The document engages the Federal Communications Act (47 U.S.C.), CPNI regulations under 47 C.F.R. Part 64, the California Consumer Privacy Act (CCPA, Cal. Civ. Code §1798.100 et seq.), the Telephone Consumer Protection Act (TCPA, 47 U.S.C. §227), and FTC Act Section 5 unfair or deceptive practices standards. Material compliance considerations include T-Mobile's data monetization practices under its T-Mobile Advertising Solutions program, the adequacy of consent mechanisms for CPNI-derived data sharing, and the enforceability of the class action waiver post-Viking River Cruises v. Moriana.
If you have a dispute with T-Mobile — including overcharging, service issues, or privacy violations — you cannot take them to court. You must use private arbitration instead, and you cannot join other customers in a class action lawsuit.
You cannot join with other T-Mobile customers to bring a group lawsuit or class action against T-Mobile — every dispute must be handled individually, which makes it impractical to challenge small but widespread harms like minor billing overcharges affecting millions of customers.
T-Mobile can raise your rates or change any part of your service agreement at any time — all they have to do is notify you, and if you keep using your phone after the change, you've legally agreed to it.
T-Mobile can use information about your calls, texts, and location — data collected as part of providing your wireless service — to target you with ads from T-Mobile and outside companies, unless you specifically opt out.
T-Mobile can cut off your phone service immediately and without warning if they believe — based on their own judgment — that you have violated their rules, used the service illegally, or for any other reason they consider reasonable.
You only have two years to file any legal claim or dispute against T-Mobile, even if your state's laws normally give you more time — after two years, your claim is permanently barred.
If T-Mobile suspends or cancels your account — even if they initiate the termination — you immediately owe the full remaining balance on any phone payment plan, which could be hundreds of dollars due all at once.
If T-Mobile's service failures cause you financial or business losses, T-Mobile will not pay for those damages — and even for direct losses, T-Mobile's maximum payout is capped at whatever you paid them in the past six months.
T-Mobile can slow down your data speeds during busy periods once you've used a certain amount of data each month, and can terminate your account entirely if they decide your usage is harming their network — even if you're on an 'unlimited' plan.
Any legal dispute with T-Mobile that does make it to court must be filed in Washington state courts, even if you live in California, New York, or any other state — meaning you would likely need to travel to Washington to pursue any court-based claim.
Added April 28, 2026
Cross-platform context
See how other platforms handle Class Action Waiver and similar clauses.