The program will detect your i Phone and show the i Phone information on the main interface.
Software update will ensure that you are using the best and the safest version.
And make sure you have enough room in your i Cloud account, otherwise you'll want to back up to your computer instead.
The steps below will walk you through backing up your i Phone wirelessly and updating to i OS 10, but you can also plug your i Phone into your computer to back up through i Tunes.
If i Cloud Backup is turned on, your i Phone will automatically store all of your data whenever your device is plugged in, locked, and connected to Wi-Fi.
Even so, it's wise to back up your phone manually before updating as a precautionary measure.