Unlocked! GSM 7''inch Android 4.2 Dual Core Smart Cell Phone + Tablet PC w/ Google Play Store 2-in-1 Phablet (Free Bluetooth Headset) 7 inch dual core gsm phablet android 4.2 jerlly bean os preinstalled google play store Dual camera ,back camera flash light 1 sim card slot, 1 TF card slot 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.