PAE15i Unlocked Android phone MTK6573 Dual Core 4.3 inch Screen 3G 3.75G Free Tether 8MP Camera Dual SIM WiFi GPS AT&T T-Mobile no contract required Unlocked - just insert your GSM SIM card (AT&T, T-Mobile or other GSM network in US or around the world) and it will automacically configure itself to your provider. 3.75G - Compatible with following 3G networks: AT&T, Straight Talk, Bell Mobility, Telcel, Telus and Rogers. Compatible with T-Mobile & Simple Mobile at 2.75G. Maybe compatible with other GSM network, please consult your network for GSM compatibility. CPU - MTK6573 Dual Core Processor, Android 2.3.4 OS. 5MP camera & 1.3MP front facing camera. Large 4.3 inch Multi-Touch Capacitive Screen, 480 x 800 resolution. WiFi, GPS, Multi-languages Free Tether - Built in tether function which will allow user to share 3G data connection with your notebook or other device for free. No need to pay for monthly tether fee or separate tether account.