HT4623: Update your iPhone, iPad, or iPod touchLearn about Update your iPhone, iPad, or iPod touch
Currently Being ModeratedMay 18, 2013 9:21 PM (in response to FlyingHero)
1. No. iTunes won't allow the installation of an iOS version other than the latest compatible one.
2. No. People have the choice of not updating.
Currently Being ModeratedMay 19, 2013 4:47 AM (in response to FlyingHero)
I know that the current iOS is 6.1.4.
No, it is not.
The current version of iOS is 6.1.3 for the iPhone 3GS, 4, and 4S.
The current version of iOS for the iPhone 5 is 6.1.4.
Apple only allows updating to the current iOS version.