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How to Register My T-Mobile SIM Card

Updated February 21, 2017

T-Mobile typically ships registered SIM cards when you sign up for a subscription plan. However, if you're a prepaid subscriber ordering online or by phone, you're out of luck on the automatic registration. However, it is still possible to register your SIM card for your T-Mobile-purchased phone, or an unlocked phone purchased elsewhere.

Access T-Mobile's SIM card registration website. (See "Resources.")

Enter the information requested on the website, such as your name, number, SIM card number and prepaid plan.

Click the "Activate Phone" button to register the SIM card.

Insert the SIM card into your T-Mobile phone. The slot for the card is usually located in the battery compartment of the phone.

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About the Author

Jay Darrington has been a professional writer since 2006, specializing in technology. He has published on several online blogs, including iTech24, iPhoneland and Tech101. He holds a Bachelor of Arts in communication technology from California State University.