T-Mobile Pre-Paid Nokia Lumia 521 4G Smartphone

This compact, affordable Windows Phone sports a memory card slot, 5MP camera, removable battery and integration with Xbox, Windows 8 and SkyDrive.

Nokia Lumia 521 4G Smartphone:

Windows Phone 8 OS
4" Screen
4G Capable
1GHz processor
5 megapixel camera with auto focus
HD video recording at 720p, 30fps
8GB internal memory, expandable up to 64GB
1430mAh battery
Quad-band 4G UMTS/HSPA+ 42
1GHz, dual-core Qualcomm 82270 processor