Lumia 640 XL Unlock Code

IMEI unlock codes for the Microsoft Lumia 640XL and any of the other Lumia devices locked to AT&T.

  • Choose the model to unlock
  • Choose the carrier your phone is locked to.
  • Enter *#06# to display your IMEI


Microsoft Unlock Code – Unlock the Lumia 640XL, 900, 1020 and almost any other GSM Microsoft Lumia device via IMEI unlock code.  Permanent unlocking, quick and easy to use Microsoft SIM codes.

 Using this Microsoft IMEI unlock code there is no need for flashing the phone, no software, no cables.  With new Microsoft phones it’s usually as easy as just putting in your new SIM and the phone will prompt you for the unlock code.  It’s really that easy to unlock your Microsoft phone.  If you’re a power user and have flashed your phone’s firmware – you will need to flash back to the stock ROM in order for the code to work.  Once you’ve flashed back to the stock ROM – enter your unlock code and then flash back to whatever custom firmware you choose.


Microsoft Unlock Code Instructions

Model : All Microsoft Lumia

  • Power on your Lumia with a non-accepted SIM
  • The phone will prompt you for an unlock code
  • Enter the unlock code provided by

If you have the AT&T Microsoft Lumia 900 and the above instructions do not work – the workaround is to enter the incorrect code until you run out of attempts (usually 10).  At this point the phone should prompt you a network unlock message – enter the code again and your phone is unlocked.



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