If you have the Nokia Lumia 1520 from AT&T and plan to travel overseas, you’re probably interested in unlocking the device so you can use local a SIM. This will save you money on roaming fees or international rates. AT&T makes it very easy to unlock your device by providing an online form, but you must meet several requirements.
We have just unlocked our AT&T Nokia Lumia 1520. Read on to find out how.