eSIM installation manual

For iPhone users

  1. Make sure you have access to the internet on your device

  2. Get a notification from T-Mobile and press it

  3. Tap "Add eSIM"

  4. Finish other settings (e.g. select a preferred line)

  5. Check the on/off status of your physical SIM and NXTSIM eSIM as follows:
    When you're in the U.S.: Turn off your "existing line (the line you normally use)" and turn on the "T-Mobile line

  6. Rester your phone and star using NXTSIM!

  • When you delete the notification:
    "Settings" → "Cellular" → "Add eSIM" → Follow the instructions on your device to complete the setup

  • When the QR Code option is displayed:
    "Settings" → "Use QR Code" → "Enter Details Manually" → Enter SM-DP-address: "T-MOBILE.GDSB.NET" → "Next" on the upper right

*DO NOT delete eSIM; otherwise, you will not be able to add eSIM again

For Android users

*The desplays may vary depending on your device model
  1. Make sure you have access to the internet on your device

  2. Go to "settings" → Select "Network and internet"→ Select "Mobile network"

  3. Choose "Add mobile plan"
    (If the carrier is displayed, please select "T-Mobile")

  4. Tap "Enter Code Manually" and enter the SM-DP+Adress below

    SM-DP+Adress: T-MOBILE.GDSB.NET

  5. Go to "Mobile Networ" and turn on T-Mobile, and enable "Mobile data"

  6. Rester your phone and star using NXTSIM!


*If you cannot connect to the internet after waiting for about 5 minutes, APN (Mobile Network) settings may be required

APN settings

  1. In the "Settings", select "APN settings" and manually enter the following information:

    Name: T-Mobile
    APN: Fast.t-mobile.com

  2. Select the save button, and if "T-Mobile" appears in the APN list, select it

  3. Restart your device


    *For APN setting instructions specific to your device model, please refer to the official T-Mobile website. You can view the steps by selecting your device model and the service "APN."