Learn how to buy a T-Mobile SIM card. If you don't know what type of SIM card you need, check out the Tech Specs for your device on the Devices page.
Note: If you're purchasing a replacement SIM card (for example, you're buying a new SIM card to unlock additional features such as Wi-Fi calling), back up any contacts you saved to your existing SIM card using Gmail, iCloud, a Microsoft account, an SD card, or your preferred backup method. For device-specific information about managing contacts, see the Devices page.
To purchase a T-Mobile 3-in-1 Sim Starter Kit online, visit T-Mobile.com.
To request that we mail you a SIM card starter kit, contact us.
Use the Store Locator to find the store closest to you, and call the store to check SIM card starter kit availability and pricing.
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