The iPhone OS 4 upgrade, or iOS 4, arrived Monday at 1 p.m. Eastern/10 a.m. Pacific for all iPhone and iPod Touch users who had their devices hooked to iTunes. The update weighs in at 378MB ...

Users who upgraded to iOS4 are complaining their iPhone and iPod Touch batteries are mysteriously being sucked dry in record time. iOS4’s new multitasking feature–a much sought after feature ...

Of course, there’s much more in iOS 4, and we’ll probably continue to come across new details and tweaks as we spend more time with the software. Through its software updates, Apple has done a ...

Although iOS 4 is out now with 1500 new APIs including multitasking support, your apps won't support all those new features out of the gate -- they'll need to be updated to take full advantage of ...

The most awaited Apple’s iOS 4 update is just few hours away available now. It is a major OS upgrade from Apple with loads of exciting features like multi-tasking, Fast app switching ...

With the iOS 4.2 beta, developers can now begin working to integrate iAds into their iPad software in time for its November release. Follow AppleInsider on Google News 83 Comments ...

The fourth version of Apple’s newly renamed mobile operating system arrived Monday, as iOS 4 became available for download. Apple says the update delivers more than 100 features aimed at end ...

A few minutes ago Apple announced the release of iOS 4.2 today. The download links aren’t live yet, and we speculate the engineers at Cupertino will flip the switch at 10AM PST. In the meantime,though ...

When iOS4 was released earlier this week, it seemed like a no-brainer for iPhone 3GS, 3G and iPod touch owners to update: after all, free software and boosted features can't be argued with ...

But they won't do you any good if you don't take advantage of them. Does iOS 4 draw more juice than iOS 3? Short answer: yes, says Aaron Vronko, CEO of Rapid Repair, an iPhone and iPod repair shop.

Nearly five months after Apple rolled out iOS 4 in tandem with the iPhone 4 launch, it has released the latest update for the software that powers its touch-screen lineup: iOS 4.2.1 (along with ...

Some Apple 3G phone owners who upgraded to the new iOS4 operating system are facing buyer's remorse. The upgrade has left their devices slow and struggling for breath, according to complaints on ...