How to set up cellular data on a new iPhone

Difficulty
Beginner
Tested on
iOS 18.4 - iPhone 15 Pro
You will need
Active Wi-Fi connection, Carrier activation details, Physical SIM card tool (if applicable)

Step by step

  1. 1 min

    Open the Cellular settings menu

    Navigate to the Settings app from your Home Screen. Tap Cellular to access the connectivity configuration panel.

  2. 1 min

    Choose your activation method

    Select Add eSIM to begin the digital activation process. If you are using a physical SIM card, insert it into the SIM tray located on the side of the device before proceeding.

    Note: Ensure your device is connected to a stable Wi-Fi network before attempting to download an eSIM profile.
  3. 1 min

    Transfer or scan carrier details

    Choose Transfer from nearby iPhone to move your number wirelessly, or select Use QR Code to scan the activation card provided by your carrier. Follow the on-screen prompts to authenticate the request.

    Note: The transfer process requires both your old and new iPhones to be unlocked and in close proximity.
  4. 1 min

    Complete carrier authorization

    Enter any confirmation codes or credentials provided by your carrier if prompted. Wait for the status indicator to transition from searching to your carrier's name in the top status bar.

    Note: If the activation takes longer than two minutes, toggle Airplane Mode on and off to refresh the network handshake.
  5. 30 sec

    Verify cellular data settings

    Navigate back to Settings > Cellular and confirm that Cellular Data is toggled to the On position. Tap Cellular Data Options to ensure Data Roaming is configured according to your service plan requirements.