Apple iOS 5 has been in the beta phase for quite some time and with the release of the latest iPhone 4S, iOS 5 is now officially available for download. Those with Apple devices can upgrade their gadgets through iTunes. While most people are comfortable downloading and upgrading to iOS through iTunes, there are people who prefer to download the iOS installer not through the iTunes.
If you are used to download iOS previously, the size of iOS installer is roughly between 300 MB to 400 MB. Because iOS 5 introduces a lot of new features, the iOS 5 for the respective Apple devices could take up to 700 MB of space.
Because the size of iOS 5 installer that is quite big, it is advisable to use any download manager to smooth the downloading process. This is especially true to those who have slow internet connection and to those who may be worried the connection gets interrupted along the way.
Manually Upgrade to iOS 5
To manually upgrade your device to iOS 5, just open iTunes 10.5 and use ‘Check for Update’ button with the Option button (Mac) or the Shift button (PC) pressed down. After this, you’ll be prompted and you’ll want to select the file that you just downloaded.