If your iPhone is not connected to a power source, such as a wall outlet or your computer, connect it to one now.

If you see a message that says your iPhone is already up to date with the latest version of iOS 14, just scroll down to the bottom—you’ll find the iOS 15 option there. [2] X Research source

Depending on when you’re updating your iPhone, you may see more than one available update—one for the latest version of iOS 14, and another for updating to iOS 15. [3] X Research source If you do, make sure you’re choosing the iOS 15 update.

The download and installation can both take some time—anywhere from a few minutes to about a half hour, depending on the speed of your connection. Your iPhone will restart once the installation is complete.

The download and installation can both take some time—anywhere from a few minutes to about a half hour, depending on the speed of your connection. Your iPhone will restart once the installation is complete.

The download and installation can both take some time—anywhere from a few minutes to about a half hour, depending on the speed of your connection. Your iPhone will restart once the installation is complete.

The download and installation can both take some time—anywhere from a few minutes to about a half hour, depending on the speed of your connection. Your iPhone will restart once the installation is complete.