Network: Phone calling function with built-in receiver Dual SIM, Dual Standby with 3G/4G Support on both SIMs (SIM1 Normal & SIM2 Micro ) HSPA+ 21 Mbps Downlink and 5.76 Mbps Uplink 3G WCDMA 2100 MHz 2G EDGE / GPRS / GSM - 900/1800MHz 4G Downlink up to 150 Mbps, uplink up to 50 Mbps TDD-LTE: Brand 40 FDD-LTE : Brand 3/5/8 Design And Display: Full Capacitive Multi-Touch 17.78cm (7") Display 169.55 PPI IPS HD(1024*600) Screen Battery: 3500mAh Li-Polymer Battery Processor: Quad Core 1GHz ARM Cortex A53 64bit Processor Mali -T720 GPU Camera: 5MP AF Rear Camera with LED Flash (Software Enhanced to 8MP) 2 Mega Pixel front camera for video chatting Pre-loaded Camera Features: Multi-angle, Panorama, Face Beauty, Motion Track mode, Live Photo, Date & time Stamp, Zero Shutter Delay, Voice Capture, Face Detection, Smile Shot, Auto scene detection, Continuous Shot, HDR, Self-timer & V-Gesture Image enhancement with various effects & image edit options. Memory & Storage: 2GB RAM 16GB Built-in storage (Approx. 6.29GB of built in storage is used by OS and application files and 9.71GB free for file storage & APPs download.) Micro SD Slot, expandable up to 32GB. Music & Video: Music Player with MP3 and other popular formats support HD Video Playback and other popular formats support FM Radio with FM Recording 3.5mm Audio Jack for Stereo Sound Connectivity: Wi-Fi 802.11 b\g\n Wi-Fi hotspot for internet sharing, USB Tethering & Bluetooth Tethering Wi-Fi Direct Bluetooth (V4) Micro B USB Port USB OTG Function iBall OTA for online software update USB Mass Storage (Whenever SD Card inserted) Media device (MTP) Camera (PTP) Charge only Built-in CD-ROM Operating System Android 5.1, Lollipop GPS GPS & A-GPS Sensors G-Sensor for auto rotate screen Magnetic sensor. Update the software to the latest version for more efficiency.