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.