iOS 4 Now Upgrade for iPhone 3GS, iPhone 3G, and iPod Touch

June 22, 2010 - PRLog -- On Pacific time of June 21, 2010 10 o'clock, Apple officially provides iOS 4 upgrade for iPhone 3GS, iPhone 3G, and new generation of iPod touch users.

Today, the good news is that iOS 4 has provided a free update to the iPhone 3GS, iPhone 3G, and even the first generation of iPod touch users.

From the WWDC 2010, we all know that the new operating system of iPhone OS 4 has renamed to iOS4, and it added 100 new features to the Apple iOS, such as Retina display integration, unified inbox, Multitasking, Folders and conversation threading, enhanced camera, photos apps and any more.

More detail on  http://mobile.downloadatoz.com/article,ios-4-now-upgrade-for-iphone-3gs-iphone-3g-and-ipod-touch.html

Multitasking

With multitasking function the iPhone users can now run more than one application simultaneously, and reply to an SMS while playing a game. Applications can be switched easily without exited. Apple also made sure that the new update will not drain the battery as other phones do.

Unified Mailbox

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