About the iPhone 4
The iPhone 4 is released 2010, June, running iOS 4, upgradable to iOS 7.1.2, Discontinued. Powered by the Apple A4 (45 nm), with a 1.0 GHz Cortex-A8 CPU, PowerVR SGX535 GPU, 512GB of RAM. It sports a 3.5" display, IPS LCD, at 640 x 960 pixels, 3:2 ratio (~330 ppi density), protected by Corning Gorilla Glass, oleophobic coating. Storage options include 8GB/16GB/32GB. For imaging, it features a 5 MP, f/2.8, 1/3.2", 1.75µm, AF main camera, capable of 720p@30fps video, a VGA, videocalling over Wi-Fi only front camera. Connectivity includes GSM / HSPA networks, Wi-Fi 802.11 b/g/n, hotspot Wi-Fi, Bluetooth 2.1, A2DP, 2.0 connectivity. The device features a Li-Po 1420 mAh, non-removable battery, measuring 115.2 x 58.6 x 9.3 mm (4.54 x 2.31 x 0.37 in), weighing 137 g (4.83 oz), built with Glass front (Corning-made glass), glass back, stainless steel frame, available in Black, White.