The new main version of the Apple’s i OS is with us, along with the new i Phone 5 and the i Pod Touch fifth generation.

The App Store received a visual overhaul, bringing a card-based app layout as well as tweaks to search algorithms.

Facebook was integrated into the operating system, incorporating status messages, like buttons, and contact and event synchronization to several of Apple's apps.

generation- has only one big change in terms of web development: screen resolution.

These devices have a wide 4″ screen, WDVGA (Wide Double VGA) 640×1136pixels, 326 DPI -Retina Display as Apple called it.

Whether you use i Tunes or update wirelessly, you'll have the same amount of free space on your device after you update.

If you can’t update wirelessly on your i OS device, you can update manually using i Tunes on a computer that you trust.

Remember, when updating the i OS, you are also updating the Web View: that means that all the native web apps -such as Phone Gap/Apache Cordova apps- and pseudo-browsers such as Google Chrome for i OS are also updated.

However if your solution is height-dependent, then you may have a problem.

You can either click "Enter Recovery Mode", "Exit Recovery Mode" or use both according to the detecting result to reboot your i Phone.