For more than 3 years there has been a big problem for iDevice owners because some important titles are unavailable with certain old versions of iOS. More precisely, terminal owners iPhone 3G I can't download the latest version of the app Facebook, other users without iOS 5.1 or iOS 6 installed I can't download other apps that are compatible with newer versions of iOS and the list goes on. Although until now Apple Lossless Audio CODEC (ALAC), force users to update to the latest version of iOS, well here it is now things change, the company allows the download of old versions of applications incompatible with old versions of iOS.
Taking the examples above, if you have iOS 5 and want to install an application that is now only compatible with iOS 6, Apple will give you the opportunity to download an older version of the application that is compatible with iOS 5. This system works only for applications that were once compatible with that version of iOS, new applications, made especially for a newer version, cannot be installed. To be honest, Apple's idea is great, because it allows owners of old iDevices with old versions of iOS to have access to applications that could not be installed, and this measure should have been taken a long time ago.
