iPhone 4 S iOS 9
Installing software updates
- Perform a software update to install the most recent software version for your Apple iPhone 4S which contains the latest functionalities and applications.
- Updating to the latest version should also solve existing problems and improve performance.
- The following steps contain instructions on how to update your Apple iPhone 4S to the latest software version over the air.
- Go to the Start screen.
- Choose Settings.
- Scroll down.
- Choose General.
- The Apple iPhone 4S is now searching for available updates.
- If this screen appears, an update is available. To install the software update, follow the on-screen instructions.
- If this screen does not appear, the Apple iPhone 4S already has the latest software version.
- Return to the Start screen.