I refer to those cases where, for example, you are using a jailbroken i Phone and you don't want to lose the ability to jailbreak.
Or you are using i Phone 4s and don't want to upgrade it to i OS 9. If you find yourself in such a situation too, don't worry!
Before installing the update, it is recommended that you have a backup of your data.Part 1: Restore i Phone without Updating Part 2：Tips to Stop i Phone from Asking You to Update Step 1.Backup i Phone/i Pad The whole process includes erasing all data and settings on your i Phone, so you are advised to back up the important data on your device first. And if you want to backup i Phone contents selectively, Fone Paw i Phone Data Recovery can help you.1).You'll also need to know the device's passcode in order to update.i Tunes will prompt you to unlock the phone or tablet once it's connected.