BLU Touchbook 7.0 3G Unlocked (Yellow) - Unlocked Cell Phones - Retail Packaging - Yellow 7.0" HD Display (1024x600): 2MP Autofocus Camera, HD recording (1080p), VGA Front Camera 4GB Internal Storage 512 MB RAM with Micro SD Slot up to 64GB; 1.2 GHz Dual -core ARM MALI 400 MP Android 4.4 kit kat 1.2 GHz Dual -core ARM MALI 400 MP Android 4.4 kit kat 3G HSPA+ up to 21 Mbps 850/1900/2100: Nationwide AT&T: Cricket Wireless, Straight Talk, Net10, H20 Wireless, 420 Wireless, Black Wireless, Consumer Cellular, Pure TalkUSA, Red Pocket, Telcel America. T-Mobile: MetroPCS, Lyca, Speedtalk, Go Smart, Simple Mobile, Net10, Straight Talk, Solavei, Ultra Mobile, Telcel Amrica, Walmart Family Mobile supported in most areas; check with your service provider. 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.