Oxygen 2.1.4PLATFORMOSAndroid OS, v4.4.2( KitKat), upgradable to v5.1.1( Lollipop) ChipsetQualcomm MSM8974AC Snapdragon 801CPUQuad-core 2.5 GHz Krait 400GPUAdreno 330MEMORYCard slotNoInternal16/64 GB, 3 GB RAMCAMERAPrimary13 MP, f/2.0, autofocus, dual-LED flash, check qualityFeatures1/3 sensor size, 1.12 µm pixel size, geo-tagging, touch focus, face detection, panorama, HDRVideo2160p@30fps, 2160p( DCI) @24fps, 1080p@60fps, 720p@120fps, HDR, stereo sound rec., check qualitySecondary5 MP, f/2.0, 1080p@30fpsSOUNDAlert typesVibration; MP3, WAV ringtonesLoudspeakerYes, dual mono speakers3.5mm jackYesCOMMSWLANWi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, DLNA, hotspotBluetoothv4.1, A2DPGPSYes, with A-GPS, GLONASSNFCYesRadioNoUSBmicroUSB v2.0, USB HostFEATURESSensorsAccele_45rometer, gyro, proximity, compassMessagingSMS( threaded view), MMS, Email, IM, Push EmailBrowserHTML5JavaNo - ANT+ support