Apple iPhone 4 smartphone was announced in 2010, June. Released 2010, June by APPLE and was launched in June, 2010. The Apple iPhone 4 phone has 115.2 x 58.6 x 9.3 mm (4.54 x 2.31 x 0.37 in) (height x width x thickness) dimensions with weight 137 g (4.83 oz) grams. It comes in Black and White colors.
The operating system which runs on the phone is iOS 4, upgradable to iOS 7.1.2 and the display size of the phone is 3.5 inches, 36.5 cm2 (~54.0% screen-to-body ratio) with resolution of 640 x 960 pixels, 3:2 ratio (~330 ppi density) pixels. The network technology of the phone is GSM / HSPA with 2G bands GSM 850 / 900 / 1800 / 1900 , 3G bands HSDPA 850 / 900 / 1900 / 2100 and 4G bands .
The phone has rear camera with specs, 5 MP (f/2.8, 1/3.2″, 1.75 ), autofocus, LED flash, and the front camera with specs , VGA, 480p@30fps, videocalling over Wi-Fi only. The camera is featured with Geo-tagging, touch focus, HDR photo. The phone is powered with a battery of 1420 mAh capacity, 1.0 GHz Cortex-A8 CPU and PowerVR SGX535 GPU. As for as the RAM and the ROM of the Apple iPhone 4 phone are concerned, it comes with 8/16/32 GB, 512 MB RAM. The list of sensors, price and many other specifications are given below.