Nokia Lumia 520 Quad-Band GSM Smartphone White - Unlocked Exclusive digital lenses. Add magic to your photos. - The Nokia Lumia 520 comes with integrated digital lenses - exclusive to Nokia and guaranteed to wow your friends. Add motion to your images with Cinemagraph. Take multiple photos with a single click using Smart Shoot, and edit effortlessly to make the perfect shot. Super-sensitive screen. Keep the gloves on. - The 4-inch touchscreen on the Nokia Lumia 520 is so sensitive that you can even use it when wearing gloves or with your fingernails. So typing, chatting and surfing are easier and more convenient than ever. Nokia Mix Radio. The tunes you love, for free. - Nokia Mix Radio fills your day with free music. Choose from over 150 mixes or generate your own playlists. Take your favorite mixes offline and listen when you're not connected. Share them with friends through your social networks, email or via SMS. Windows Phone 8. See your world at a glance. - Stay on top of things with Live Tiles which update in real time on your start screen. Get 7GB of storage on Microsoft SkyDrive, so you can sync your phone and computer. And pre-installed Outlook, Word, Excel and PowerPoint mean you can work on the go, hassle-free.Specifications 2G Network - GSM 850 / 900 / 1800 / 1900 Unlocked cell phones are compatible with GSM carriers like AT&T and T-Mobile as well as with GSM SIM cards (e.g. H20, Straight Talk, and select prepaid carriers). Unlocked cell phones will not work with CDMA Carriers like Sprint, Verizon, Boost or Virgin.