You can’t. iOS 10 is only compatible with iPhone 5 and later models.

There are a few ways to do this. One way is to use iTunes on a computer to update your phone. Another way is to use iCloud or an Apple ID to update your phone.

There are a few ways to try to get your iPhone 4 to update. The first is to go to Settings > General > Software Update and see if there is an update available. If there is, you can download and install it from there.If that doesn’t work, you can try plugging your iPhone 4 into your computer and updating it through iTunes. If that still doesn’t work, you may need to restore your iPhone 4 using iTunes.

There are a few ways to update your iPhone 4 without iTunes. One way is to use iCloud, which will automatically update your phone with the latest software. Another way is to download the update directly to your phone using Safari.

Yes, you can update your iPhone 4 to iOS 9. However, keep in mind that iOS 9 is not as optimized for older devices as iOS 10 or 11 are, so you may experience some slowdown.

Yes, the iPhone 4 can be updated to iOS 10. However, it is not supported by Apple and therefore may not work as well as newer models.

Yes, the iPhone 4S can be updated. The latest version of iOS is iOS 11, and the iPhone 4S is compatible with this version.

Yes, the iPhone 4 can get iOS 11. However, it is not supported by Apple and is not recommended.

iOS 7.1 is the latest iOS for the iPhone 4. It was released on March 10, 2014 and includes bug fixes and performance enhancements.