Lenovo S939 is an Android Smart Phone runs on Android OS, v4.2.2 (Jelly Bean). It was announced in February 2014. Lenovo S939 features Octa-core 1.7 GHz, Mediatek MT6592 processor. It has a 6.0 inches (720 x 1280 pixels, 245 ppi) display of 1080p Full HD resolution. In terms of storage it has 8 GB ROM, 1 GB RAM and storage is expandable via micro SD, up to 32 GB. The 3000mAh battery is surprisingly enough to keep this beast of a phone running. Lenovo S939 has an 8 MP, 3264x2448 pixels primary camera with LED flash and a secondary 1.6 MP camera for video-calls. The rear camera shoots Full HD movies. The GPS works like a charm and this phone comes with an Accelerometer, Compass and Proximity sensor. It also has GPS, Bluetooth, Wi-Fi, 3G as well as micro USB v2.0 connectivity.