iPhone 4 comes with many features that analysts expected, including a better display and it is 24 percent slimmer than the current 3GS model. Apple newly unveiled IPhone 4 has a more powerful primary 5MP camera with flash and a new camera on the front that will be used primarily for video chat. It also adds 720p HD video capture at 30 frames per second.

The phone's stainless steel frame is being partially used as an antenna. The iPhone is now confirmed to feature a 640x960 display which makes it the highest resolution display on the smartphone market. The actual display size remains same as 3.5-inches and has an 800:1 contrast ratio.

Environmentally, the new iPhone is arsenic free and it comes in sizes up to 32GB of storage. There’s also 802.11n Wi-Fi wireless networking. There are new volume buttons, a mute button, plus a second microphone on the top for noise cancellation. Just like the iPad, it now incorporates a micro-SIM tray. Apple iPhone 4 will be available in two colors, white and blacks. Price of the Apple's iPhone 4 will be $199 for 16 GB and $299 for 32 GB in US.