... 3g phone 4, andriod 3g wifi gps Dual SIM android 4.1 WCDMA-GSM 3G mobile phone 9300, it ... is Android 4.1, dual core, WCDMA-3G, dual SIM, GPS, ... (850MHz) Platform: MTK6575 (or MTK 6577 Dual core) Operating System: Andorid 4.0 1.0GHz, android 4.1 1.2GHz Screen ... speed Headphone jack: Support for standard 3.5 mm. i9300 Android 4.1, WCDMA 3G, Dual SIM, WiFi+GPS Mobile ...