Nokia Lumia 520 is also available as Nokia Lumia 521 RM-917 for T-Mobile. This 4.0 inches smartphone adopts Microsoft Windows Phone 8 OS, powered by Dual-core at 1GHz. It also owns a Adreno 305 GPU with 512MB RAM. Nokia Lumia 520 adopts IPS LCD capacitive touch screen plus a 5 megapixel camera for photos and video. All of the Nokia Lumia 520 parts from ETrade Supply have been approved the ISO9001 certificated QC procedure, and we conduct strict cosmetic inspection and functionality test for Nokia Lumia 520 replacement parts before package and transportation. Don’t hesitate to register as an ETS member and qualify for even greater savings.