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Customer Service

T-Mobile Identification Process Service Quality User Experience SIM Card Management Plan Changes Claiming Offers O2 Porting Numbers Price Increase Compensation Compensation Issues Contract Options USIM Cards Pricing Strategies AI Integration Payment Arrangements Bestandskunden International Customers Subscription Services Fraudulent Practices SIM Protection SIM Replacement Registration Process Security Breach Identity Management Regulations

T-Mobile Prepaid Debuts U.S. Pass eSIM for Travelers to North America

The short-term eSIM gives visitors flat-price 5G service across the U.S., Mexico, Canada without a local SIM.

T-Mobile Tightens DashPass Perk Eligibility as Users Receive $96 Billing Warnings

T-Mobile Makes Payment Arrangements App‑Only Starting Today

T-Mobile to Auto-Migrate Remaining Legacy Plans to Go5G Plus