Established in the year of 2010 June 24. It is fourth generation iPhone, succeeding the 3GS and preceding the 4S. iPhone 4 have a glass front and glass rear and come in black or white. iPhone 4 uses a micro-SIM card on iPhone 4 devices running on a GSM network, which is positioned in an ejectable tray, located on right side of the device. It has 512 MB of DRAM and the additional DRAM supports increased performance and multi-tasking.
iPhone 4S Released in the year of 2011 at Apple's Cupertino campus. iPhone was named "4S" where "S" stood for Siri. It is an intelligent personal assistant that was later included in future generations of mobile Apple products. The iPhone 4s always has a SIM tray. iPhone 4s has a glass front and glass rear and come in black or white. Camera Specs: Front: 0.3 megapixels/ 480p30 video and Rear: 8.0 megapixels/ 1080p30 video. Its Internal Name: iPhone4,1.
RAM: 512 MB
Storage: 8/16/32/64 GB
Wi-Fi: 802.11b/g/n (2.4 GHz only)
to more acontinue reading