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.
  7. If you receive any error messages after attempting to permanently or temporarily unlock your device, contact customer care to inform them of the issues you are receiving.