1. With the device off, open the SIM card tray and insert the SIM card. 
   • Use the order confirmation email to see which SIM card goes in which device.
   • Here's a short video to guide you through the process.
     
2. Turn the device on. Your service should be working.
   • If you're bringing your own device from a different carrier or company and data isn't working, add T-Mobile's APN settings.
     
   • If you don't see bars of signal, check out No Service Troubleshooting.
3. To transfer data from your old device, see Set up a new T-Mobile phone.
4. Contact us if you want to transfer an existing phone number to T-Mobile.

1. With the device off, open the SIM card tray and insert the SIM card from your previous device. 
   • Here's a short video to guide you through the process.
   • If you don't have your old SIM, contact us to change your SIM to the new one.
2. Turn the device on. Your service should be working.
   • If you're bringing your own device  from a different carrier or company and data isn't working, add T-Mobile's APN settings.
     
   • If you don't see bars of signal, check out No Service Troubleshooting.
3. To transfer data from your old device, see Set up a new T-Mobile phone.

Are you a T-Mobile Prepaid customer? You may need to activate your SIM.

The steps for activating your new SIM depend on which SIM card you got:

SIM card with Magenta sleeve

If you received a T-Mobile SIM in the packaging shown below, please follow the enclosed instructions or visit www.sprint.com/sim to activate.

SIM card without Magenta sleeve

If your SIM card didn't have a Magenta sleeve, choose which device type you're activating:

• New device and new SIM: Visit www.sprint.com/activate and follow the steps.
• Current device and new SIM: Visit www.sprint.com/simswap and follow the steps.

I just signed up for T-Mobile Home Internet

The SIM card is already in your device and active! Check out Getting Started with T-Mobile Home Internet for information on device placement and setup.

I replaced my Home Internet Gateway

You'll need to remove the SIM card from your old gateway and insert it into the replacement. Choose your device below:

• Arcadyan KVD21 Gateway
• Askey LTE Wi-Fi Gateway
• Nokia 5G21 Gateway

iPhone

There’s a few ways to setup your eSIM:

• During the initial setup, choose New Cellular Plan > Continue. You won't have a network connection if you choose "Not now".
• If you've already set up your iPhone and are connected to Wi-Fi, your iPhone will automatically prompt you to activate your eSIM.
• Didn't get a prompt or chose to activate later? You can activate your eSIM from the device settings.

Samsung

• For the Galaxy Z Flip4 and Galaxy Z Fold4, make sure you connect to Wi-Fi during initial setup. You'll be automatically prompted to add your T-Mobile plan.
• For other Samsungs with eSIM, scan the QR code. Our Tutorials have steps for supported devices, like the Samsung Galaxy S22.

Android

Scan the QR code. Our Tutorials have steps for supported devices, like the Google Pixel 6 Pro, or moto razr 5G.

QR code and settings for eSIM

SM-DP+ Address: T-MOBILE.GDSB.NET Activation code: [Blank] Confirmation code: [Blank]

iPhone

If you're switching from Android, you'll need to contact us and change your SIM using your device EID first. You can setup your iPhone eSIM in a few ways:

• During the initial setup, choose your phone number then select Continue. You won't have a network connection if you choose "Not now".
• If you've already set up your device and are connected to Wi-Fi, your iPhone will automatically prompt you to activate your eSIM.
• Using an iPhone with a SIM card? You can transfer the SIM card to an eSIM using your new iPhone!
• Didn't get a prompt or chose to activate later? You can transfer your eSIM from the device settings.

Samsung

• Galaxy Z Flip4 & Galaxy Z Fold4: Make sure you connect to Wi-Fi during initial setup. You'll be prompted to bring your plan from your old device.
• Galaxy S22, Galaxy S22+, & Galaxy S22 Ultra: Follow the steps in Samsung eSIM to eSIM first time use.
• Other Samsungs with eSIM: As long as you have your active SIM and connect to Wi-Fi, the latest Samsung devices can convert your SIM card to an eSIM!

Other devices

For other devices, or if you're switching between Apple & Android, follow these steps:

1. Make sure your device is connected to Wi-Fi before you begin. 
2. Contact us so we can change your SIM using your device EID. To find your EID:
   • Apple: From the home screen, select Settings > General > About.
   • Android: From the list of apps, select Settings > About Phone > SIM Status or Status Information.
   • T-Mobile For Business customers should use the Account Hub.
3. Activate your eSIM if your device supports multiple eSIM profiles:
   • iPhone: Tap the notification to activate the eSIM on your device.
   • Android: Scan the QR code. Our Tutorials have steps for supported devices, like the Google Pixel 6 Pro, moto razr 5G, or Samsung Galaxy S22.
   • Wearables & iPads: These devices generally support a single eSIM profile, so no additional action is necessary. Check our Tutorials for set up steps.

QR code and settings for eSIM

SM-DP+ Address: T-MOBILE.GDSB.NET Activation code: [Blank] Confirmation code: [Blank]

Contact us so we can help you change your eSIM. Once that’s complete, you’ll need to activate your eSIM:

• iPhone Tap the notification to activate the eSIM on your device.
• Android Scan the QR code. Our Tutorials have steps for supported devices, like the Google Pixel 6 Pro, moto razr 5G, or Samsung Galaxy S22.

QR code and settings for eSIM

SM-DP+ Address: T-MOBILE.GDSB.NET Activation code: [Blank] Confirmation code: [Blank]