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There is new iPhone 12, and when lauching any app first time, it asks many questions.

But why would iPhone ask for 'allow "Settings" to use wireless data'?

I don't think device configuration ("Settings") should be dependent on anything external.

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Settings themselves don't synchronise to iCloud, but the Settings app still accesses information from the Internet.

For the front page of Settings, this includes

  • your account name and photo shown right at the top of the Settings app, and
  • any account alerts such as whether your iCloud storage is full.

Going deeper into Settings presents lots of information from the Internet, such as

  • information about software updates,
  • a summary of iCloud storage space,
  • Screen Time information from your other devices, and
  • Game Center profile.

This is all information downloaded from the Internet, so network access is required. This is not an exhaustive list, but meant to demonstrate how a variety of information in the Settings app needs Internet access.

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  • Thanks for a much clearer answer. I phoned in mine 😂
    – bmike ♦
    Jul 4, 2021 at 17:52

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