Mobile Device Unlock: Nokia Lumia 521

Learn how to use the Mobile Device Unlock code of the Nokia Lumia 521.

 

 

SIM unlock phone

  1. Determine if devices are eligible to be unlocked: Unlock your mobile wireless device.
  2. Contact Customer Care to request the Mobile Device Unlock code for your phone.
  3. From the Start screen, swipe left.
  4. Tap Settings.
  5. Scroll to and tap about.
  6. Tap more info.
  7. Record your IMEI number.
  8. Contact Customer Care to request the Mobile Device Unlock code for your phone.
  9. Turn on the phone with the non-T-Mobile SIM card. The device displays "Please input unlock code."
  10. The phone displays a screen to enter the unblock code.
  11. Enter the unlock code. If successful, the device displays "Phone is unlocked."