iOS 8 just release stable version today and have many users download and update on iDevice.
iOS 8 released for iPhone 4S, iPhone 5, 5S, 5C, iPhone 6, 6 Plus, iPad Air, 4, 3, 2 and iPod Touch 5 Gen. The millions iPhone owners installed new iOS 8 for free. But for iPhone4, iOS 8 doesn’t work on this version. If you find download links like iOS 8 ipsw for iPhone 4, you must know – it’s scam or virus, because Apple unsupported iPhone 4 in iOS 8.
How Do I install iOS 8 iPhone 4?
Nothing. You can’t. Don’t forget, iOS 7 is very cool iOS for iPhone 4. iPhone 4 works perfect on iOS 7.
But If you have iPhone 4S – you can download and install last version from here.