SIM card: T-Mobile Prism

    Learn how to insert the SIM card or unlock the T-Mobile Prism. Find out more on this page.

     

    SIM card

    SIM storage

    Mobile Device Unlock

     

     

    SIM card

    Insert / remove SIM card

    To insert or remove the SIM card, follow these steps:

     

    1. Power the phone off.
    2. Remove the back cover using the notch located at the bottom of the phone.
    3. Lift the battery out.
    4. Slide the SIM card into the slot with the gold contacts facing down.
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    To remove the SIM card, follow these steps:

     

    1. Power the phone off.
    2. Remove the back cover using the notch located at the bottom middle of the phone.
    3. Lift the battery out.
    4. Slide the SIM card out of the slot.
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    SIM storage

    Delete SIM messages

    To delete SIM messages, follow these steps:

     

    1. From the Home screen, tap Messages.
    2. Press Menu.
    3. Tap Settings.
    4. Tap Manage SIM card messages.
    5. Press Menu.
    6. Tap Delete all.

     

     

    View free SIM space

    To view free space on the SIM card for contacts or messages, follow these steps:

     

    We're sorry, this function is not available for your device.

     

     

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    Mobile Device Unlock

    Mobile Device Unlock

    The Mobile Device Unlock code allows the device to use a SIM card from another wireless carrier. This may be necessary when traveling internationally. To enter the Mobile Device Unlock code, follow these steps:

     

    Important: Stop if you receive an error message. The device may lock permanently if you enter the incorrect code multiple times.

     

    1. See if your phone is eligible to unlock: Mobile Wireless Device Unlocking.
    2. Contact Customer Care to request the Mobile Device Unlock code for your phone.
    3. Turn on the phone with the blocked SIM.
    4. The phone displays a screen to enter the unblock code.
    5. Enter the unblock code.
    6. Tap OK.

     

     

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