DESIGNDevice type:Smart phoneOS:iOS (6)Dimensions:4.87 x 2.31 x 0.30 (123.8 x 58.6 x 7.6 mm)Weight:3.95 oz (112 g)the average is 4.1 oz (118 g)DISPLAYPhysical size:4 inchesResolution:640 x 1136 pixelsPixel density:326 ppiTechnology:IPS LCDColors:16 777 216Touchscreen:Capacitive, Multi-touchFeatures:Light sensor, Proximity sensorBATTERYStand-by time:9.4 days (225 hours)the average is 20 days (476 h)Talk time (3G):8.00 hoursthe average is 7 h (420 min)HARDWARESystem chip:Apple A6Processor:Dual core, 1000 MHz, ARM CortexGraphics processor:YesSystem memory:1024 MB RAMBuilt-in storage:16 GBCAMERACamera:8 megapixelsFlash:LEDAperture size:F2.4Features-Back-illuminated sensor (BSI), Auto focus, Touch to focus, Digital image stabilization, Face detection, Geo tagging, High Dynamic Range mode (HDR), PanoramaCamcorder:1920x1080 (1080p HD) (30 fps)Features:Video calling, Digital image stabilizationFront-facing camera:1.2 megapixel