Yj White 7" Dual Core 3g Phablet, Android Phone Tablet, Android 4.4 Kitkat, Bluetooth 4.0, 1024 X 600 Hd Screen, Dual Camera with Flash, Unlocked Gsm, w/ Dual Sim Card Slot, 2g/3g Phablet 7" Dual Core 3G Phablet, Android Phone Tablet, Android 4.4 Kitkat, Bluetooth 4.0, 1024 x 600 HD Screen, Dual Camera with Flash, Unlocked GSM, w/ Dual Sim Card Slot, 2G/3G Phablet Unlocked worldwide phablet. Support standard SIM card, 3G 850/1900/2100, 2G- 850/900/1800/1900. Compatible with AT&T, T-Mobile and other GSM networks. Not compatible with CDMA network, such as Verizon. Please make sure your SIM card is not locked with PUK code before using Tagital phablet. support GPS, can be used as a GPS navigation 7 inch screen MTK6572C Dual-core 4GB Tablet Phone Supports 3G, call, SMS, Bluetooth, GPS, WiFi, Dual camera 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.