Do You Need Apple Id to Update iOS?
Contents You Need Your Apple Id and Password to Sign into the iTunes & App Store So That You Can Do the Update. Do I Need an Apple Id to Update Software? What...
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You need your Apple ID and password to sign into the iTunes & App Store so that you can do the update.
Do I need an Apple ID to update software?
What to do? Fortunately, you don’t need an Apple ID to update macOS software. Canceling the prompt still allows you to update Apple components.
Do you need Apple ID password to update iOS?
Yes, as I already said. When the device reboots and starts up the new iOS 10.2. 1 you will be prompted for your iCloud password when it gets to the step of updating your iCloud settings. Not recalling your AppleID password for iCloud is inevitably going to cause you issues.