Display and Build:The iPhone 4 has a solid metal body and sticks to Apple’s industrial design. The phone is very thin at 7.6mm and is one of the lightest flagships ever seen despite using a metal body. The display is a LED-backlit IPS LCD of 960*640 resolution and a size of 3.5 inches.
Internal Specifications and Operating SystemThe phone uses Apple’s A4 chipset utilising a single core ARM A8 based processor clocked at 1GHz and a dual-core graphics processor. Storage is 8GB which is non expandable and it is coupled with 512MB RAM. The phone has multiple sensors like Accelerometer, gyro, proximity, and compass. The phone is powered by a 1420 mAh battery.
The iPhone 4 is upgradeable to iOS 7.1.1 from Apple.
CameraThe camera is 5MP with autofocus and it is coupled with LED flash. Other features include geo-tagging, simultaneous HD video and image recording, touch focus, face/smile detection and HDR (photo/panorama). The front camera is of VGA resolution.
ConnectivityThe iPhone 4 has quad band GSM, 3G/HSDPA and LTE. It has Wi-Fi, A-GPS, GLONASS, Bluetooth v4.0 .The phone also has support for TV out and USB OTG and USB Host. The phone also has Airdrop file sharing for transfers.
Final WordsThe iPhone 4 is one of Apple’s most successful devices and started the trend of Apple’s design statements with its unique app environments and capabilities. The iPhone 4 specifications are underwhelming for 2015 but it has still been a great phone nonetheless and sells for very cheap if anyone is interested to try Apple iOS on a budget.