Can iPhone 4 Be Upgraded to iOS 9?

Answer: A: You can’t. Currently, the latest version of iOS available for iPhone 4 users is iOS 7.1.

How can I update my iPhone 4 to iOS 9?

Upgrade to iOS 9

1. Make sure you have a good amount of battery life left. …
2. Tap the Settings app on your iOS device.
3. Tap General.
4. You’ll probably see that Software Update has a badge. …
5. A screen appears, telling you that iOS 9 is available to install.

How do I upgrade my iPhone 4 from iOS 7.1 2 to iOS 9?

Yes you can update from iOS 7.1,2 to iOS 9.0. 2. Go to Settings>General>Software Update and see if the update is showing. If it is, download and install it.