iOS 9, the latest version of Apple’s mobile operating system is out now. It is becoming hard for Apple update servers to keep up with insane amount of concurrent iOS 9 upgrade requests. There are large number of users complaining about Software Update Error while upgrading to iOS 9. There is an easy fix to this error though. You can simply connect your device to latest version iTunes and update it via iTunes. You can also download the stock IPSW firmware for your device to get a smoother iOS 9 upgrade process. To proceed, just download iOS 9 IPSW file from the links given below and open iTunes. Make a backup of your device. After backup has been performed, press Shift key on PC or Alt key on Mac and click on Restore button in iTunes. Browse to the IPSW file you downloaded and select it. That’s it. Wait till your device is upgraded to iOS 9.
Download iOS 9 IPSW for iPhone, iPad or iPod touch.