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T-Mobile Class Action Settlements 2026 — Check If You're Owed Money

T-Mobile has suffered a series of major data breaches — including a 2021 breach affecting over 76 million customers — and has faced class action lawsuits over deceptive fee practices, unexpected price increases mid-contract, and inadequate data security measures. Hundreds of millions of current and former T-Mobile customers may be eligible.

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⚖️ Open T-Mobile Settlements (2026)

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🏢 About T-Mobile Lawsuits

Why Is T-Mobile Being Sued?

T-Mobile's 2021 data breach — described as one of the worst telecom security failures in US history — exposed the personal information of approximately 76.6 million current, former, and prospective customers, including Social Security numbers, driver's license numbers, dates of birth, and IMEI numbers for devices. T-Mobile also suffered breaches in 2019, 2020, 2022 (two incidents), and 2023 through an API vulnerability affecting 37 million accounts. Beyond data breaches, T-Mobile has faced class actions over unauthorized line additions, misleading "price lock" guarantees it violated by raising prices mid-contract, and hidden fees added to advertised plan prices.

❓ Frequently Asked Questions

Yes. SettlementRadar tracks active T-Mobile class action settlements related to multiple data breaches and fee disputes. T-Mobile agreed to a $350 million settlement for its 2021 breach. Check the settlement list above for currently open cases.

Find the relevant T-Mobile settlement above and click "Check Eligibility." For the 2021 breach settlement, you may qualify if you were a T-Mobile customer whose data was exposed. Most claims can be self-certified — no documentation is required beyond confirming you were a T-Mobile customer during the class period.

T-Mobile's 2021 data breach settlement fund was $350 million. Individual payouts depend on the number of valid claims filed. Check each settlement card above for current per-person payout estimates and any additional compensation available for documented identity theft losses.

T-Mobile has had multiple breaches. If you were a customer between 2019 and 2023, your data may have been exposed in one or more incidents. The 2021 breach (76M affected), 2022 API breach (37M affected), and 2023 breach each have separate settlements. Check each settlement card above to see which breaches you qualify for.

Deadlines vary by breach and case. Check the countdown timers on each settlement card above. Sign up for T-Mobile settlement alerts below to be notified before deadlines pass.

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