Maxwest Orbit 4150 Unlocked 4" Capacitive LCD Android 4.1 Jelly Bean OS 3G T-Mobile and AT&T Android 4.1 Jelly Bean OS Unlocked CPU: MTK6575 (1 GHz) 3G: WCDMA 850/1900/2100 MHz; Compatible with GSM Carriers like AT&T and T-Mobile; Dual SIM Card Dual Standby WCDMA+GSM GSM+GSM 4.0 HVGA LCD Capacitive 320*480; GPS:AGPS; WiFi 802.11 b/g/n 4G Nand Flash, support 32G maximum TF card; 0.3M front camera/3.0M back camera