T-Mobile US consumer Terms and Conditions

T-Mobile · agreement dated September 1, 2026 · Official agreement

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Use & Processing · Company practice

Privacy Notice Acknowledgment and Scope of Application

Accepting the Terms and Conditions constitutes acknowledgment of receiving T-Mobile's Privacy Notice describing data collection, use, and choices. Accounts established using an individual's Social Security number (such as sole proprietorships or small businesses) are governed by the consumer Privacy Notice rather than the B2B Privacy Notice.

Supporting quotations

Accepting these T&Cs means you also acknowledge receiving our Privacy Notice. Our Privacy Notice describes the personal data we collect, how we use and share data, and your data choices.
However, T-Mobile for Business accounts established using an individual’s Social Security number, usually sole proprietorships, independent contractors, and very small business accounts, are covered by our Privacy Notice instead of our B2B Privacy Notice.

Use & Processing · Company practice

Network Management, Data Prioritization, and Video Optimization

Services are subject to network management practices including data prioritization and video optimization during network congestion, which may noticeably alter the user experience and can change without notice.

Supporting quotations

We may use data prioritization and video optimization to manage data usage on the network to reduce the risk of significant service impacts. This may result in noticeable changes to your experience, especially during times of congestion.
The network management practices for your Service can be found in your Rate Plan and our Open Internet policy, located at [www.T-Mobile.com/OpenInternet.](https://tmobileusa-my.sharepoint.com/personal/elizabeth_lee80_t-mobile_com/Documents/Desktop/Terms%20and%20Conditions/www.T-Mobile.com/OpenInternet) These practices may change at any time without notice to protect our network, manage network performance, and meet customer needs.