Unlocked HTM M1 4.7" Android 4.2 3G Smartphone(Dual Core 1.3GHz,WiFi,Bluethooth,Dual SIM) (White) Unlocked world GSM phone. 3G - 850/2100, 2G -850/900/1800/1900. Compatible with at&t, T-Mobile, Straight Talk, Simple Mobile and other GSM networks. Dual SIM Card Dual Standby android google playstore multi touch screen not for verizon sprint. 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.