Mobile Device Unlock: ZTE Zinger

    Learn how to use the Mobile Device Unlock code of the ZTE Zinger.



    SIM unlock phone


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


    1. Determine if your device is eligible to be unlocked: Unlock your wireless mobile device.
    2. Contact Customer Care to request the Mobile Device Unlock code for your phone.
    3. Turn the device off.
    4. Insert the non-T-Mobile SIM.
    5. Turn on the device.
    6. The phone will display an unlock screen.  Enter the Mobile Device Unlock code.