Lenovo Powerful 64 - bit 1.7GHz Octa-core processor The 8 ARM Cortex A-53 processors, coupled with the ultra-fast 2GB DDR3 RAM makes sure the phone reacts to every swipe at the speed of light, and shows no hesitation to run the most graphic-intensive 3D games. Android Marshmallow Get the latest Goodness from Android on K3 Note. The latest Android Marshmallow update is available over OTA update. This brings all the exciting features of Android 6.0 like Doze, App Permission, Google now on tap etc. TheaterMax Support The widescreen cinematic experience powered by VR technology built into K4 Note. TheaterMax helps you to convert all your favorite content like movies, TV series, youtube, etc. into virtual giant screen cinematic experience. Pl update to Android M to experience TheaterMax Dynamic Dolby Atmos Audio Put on your headset and you will feel the sound flowing not just around you, but above you too. Now that's an incredible 360 degree sound experience. Incredible 2900mAh battery Talk for 36 hours nonstop. Or play that latest games at length, watch your favourite movie trilogy back - to - back or stay connected on social media, even when you are nowhere close to a charging point. 4G connectivity, dual sim slots Enjoy seamless connectivity that lets you watch videos without buffer, or download an entire movie in a snap. You can switch between sim cards to stay connected with your friends and family. 13MP main camera, 5 MP selfie camera With f/2.0 aperture, intelligent dual-led flash and the unique beautification feature, you will always have the perfect click, be it a sunset or your selfie. 16GB storage, expandable up to 32GB The phone comes with a vast storage space, so you can carry 3D games, all your favourite apps and the entire season of your favourite TV show in HD.