T-Mobile help
19 step-by-step T-Mobile guides, written in plain language. Pick the problem that matches yours.
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- How can I reach a New Zealand bank fraud line with a collect call from a T-Mobile phone?Someone using a T-Mobile SIM needs to contact a New Zealand bank fraud and security team and is asking what number to dial for a collect call.Open
- How do I add an existing phone number when buying a new T-Mobile phone?Someone wants to buy a new phone from T-Mobile and move an existing phone number onto a current T-Mobile account.Open
- How do I cancel T-Mobile wireless service on my account?Need help canceling a T-Mobile service account when the website may show account changes but not a clear full-cancel option.Open
- How do I connect a T-Mobile internet gateway to a Roku TV?A T-Mobile home internet box needs to provide Wi-Fi so a Roku TV can connect and finish account setup.Open
- How do I fix a T-Mobile phone that will not unlock?A T-Mobile phone cannot be unlocked for use with another carrier or SIM.Open
- How do I fix no service after switching from Verizon to T-Mobile?After leaving Verizon and transferring service to T-Mobile, the phone shows no service or will not use the new line.Open
- How do I get a T-Mobile bill when paper or email bills are missing?A T-Mobile line may be off or hard to use, and the bill is not arriving—possibly because statements go to a spouse’s email that is ignored or deleted—so payment cannot be made on time.Open
- How do I get a T-Mobile port-out PIN to transfer my number?Need a T-Mobile port-out PIN (transfer PIN) to move a phone number to another carrier.Open
- How do I get a promised Ooma home phone offer after switching to T-Mobile Fiber?After switching from Spectrum to T-Mobile Fiber, a promised free Ooma home-phone equipment transfer or promotion was not honored by Ooma or the fiber care team.Open
- How do I pay a T-Mobile bill when I cannot sign in online?Someone needs to pay a T-Mobile bill but cannot access the account in the app or website and may get stuck during sign-in or account setup.Open
- How do I recover a lost T-Mobile prepaid eSIM if I forgot the PIN?A T-Mobile prepaid eSIM is missing or inaccessible and the PIN is forgotten.Open
- How do I remove an extra phone number after switching to T-Mobile?After switching to T-Mobile, the account shows two phone numbers and only the main number should remain.Open
- How do I update T-Mobile autopay after a replaced credit card when text codes fail?A compromised credit card was replaced, T-Mobile autopay still needs the new card, and account login asks for a texted verification code that never arrives because service was terminated.Open
- How do I use T-Mobile service while visiting the Philippines?A T-Mobile Magenta plan subscriber is visiting the Philippines and cannot activate or use service the same way as in the United States, especially after a confusing app update.Open
- How much does T-Mobile charge for iPhone calls and texts in Europe?Travelers with T-Mobile iPhones want to know whether calls and texts between phones in Germany or France incur charges while using their U.S. plan abroad.Open
- What happens if a SIM PUK is entered incorrectly too many times?A T-Mobile SIM shows PIN incorrect and the PUK was entered wrongly 10 times. Emergency 911 calling may still work, which can mean the phone radio is not fully dead even though the SIM is locked.Open
- What should I do after a carrier switch if card fraud starts?After switching a phone number to T-Mobile, multiple cards show fraudulent charges and account sign-ins or authentication may fail.Open
- Why does a prepaid eSIM payment keep getting declined?A payment for a prepaid eSIM plan keeps getting declined by the carrier, even though the bank reports no issue with the card.Open
- Why is there no service after moving a phone from U.S. Cellular to T-Mobile?A phone was moved from U.S. Cellular to T-Mobile and now shows no phone service, often during or after number transfer.Open