The iOS 4.1, will be available for the iPhone 3G, 3GS and 4. It also will be applicable for the second, third and the fourth-generation iPod touch. It will come with a new music-only social network feature, dubbed Ping, which will allow users to follow celebrities, create social cliques, and receive artist updates through an activity stream.

According to the sources, the iOS 4.1 features includes HD video upload to YouTube via Wi-Fi, TV show rentals and the inclusion of Game Center, dynamic range photo option to the iPhone 4 camera, proximity sensor fix, Bluetooth improvements, speed improvements on iPhone 3G.

According to Apple's UK. website, the iOS 4.1 Software Update also includes features like multitasking, folders, create play-lists, iBooks, better mailing, home screen wallpaper, Gift Apps, Safari, Bluetooth Keyboard Support, Faces and Places in Photos, Spell checking, Wi-Fi from iOS 4.