PIN & password: Nokia Lumia 710

    Learn how to lock, unlock, and PUK unlock the Nokia Lumia 710.

     

    Device lock

    PUK code unlock

    SIM PIN

     

     

    Device lock

    Change device lock password / PIN

    To change device lock password or PIN, follow these steps:

     

    1. From the Start screen, swipe left.
    2. Tap Settings.
    3. Tap lock + wallpaper.
    4. Touch and slide the Password slider to On.
    5. Enter a new password.
    6. Tap the Confirm password field and re-enter the password.
    7. Tap done.

     

     

    Turn on / off device lock

    To turn on or turn off the device lock password or PIN, follow these steps:

     

    1. From the Start screen, swipe left.
    2. Tap Settings.
    3. Tap lock + wallpaper.
    4. Touch and slide the Password slider to On of Off.

     

     

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    PUK code unlock

    PUK code unlock

    Related errors:

    • 'PIN code blocked. Enter PUK code:'
    • 'Enter PUK code'
    • 'SIM card locked. Emergency calls only. Please contact Customer Care'

     

    If you enter a PIN code incorrectly several times in a row, the device blocks you from attempting again. To enter a PUK code and unblock the PIN, follow these steps:

     

    Important: You must call Customer Care for the PUK code. Entering the wrong code can permanently damage your SIM card.

     

    1. Contact Customer Care to request your PUK code.
    2. Enter the PUK code.
    3. Tap enter.
    4. Enter a PIN code of your choice.
    5. Tap enter.
    6. When you see the message, “confirm new SIM PIN,” re-enter the PIN code.
    7. Tap enter.

     

     

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    SIM PIN

    Change SIM PIN

    To change the SIM PIN code, follow these steps:

     

    1. From the Start screen, tap the T-Mobile tile.
    2. Tap the More (...) icon.
    3. Tap call settings.
    4. Tap change SIM PIN.
    5. Enter the current SIM PIN. The default SIM PIN is 1234.
    6. Tap enter.
    7. Enter the new SIM PIN.
    8. Tap enter.
    9. Re-enter the new SIM PIN.
    10. Tap enter.

     

     

    Turn on / off SIM PIN

    The SIM PIN code can protect your SIM from being used in other devices. When you turn on the SIM PIN lock, the device prompts you to enter the code after turning it on.

     

    To lock and unlock the SIM card, follow these steps:

     

    1. From the Start screen, tap the T-Mobile (phone) tile.
    2. Tap the More (...) icon.
    3. Tap call settings.
    4. Slide the SIM Security slider from Off to On.
    5. Enter the current SIM PIN. The default SIM PIN is 1234.
        Note: After three incorrect attempts, you will be blocked.
    6. Tap enter.

     

     

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