IOS – ny way to block automatic IOS updates

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I know my personal devices (iPhone / iPad) wont install updates automatically but it is downloading them automatically even with the settings turned off. What can I do to prevent automatic downloads of these updates so I can conserve my data usage?

Best Answer

Google-fu would seem to think the only way is to keep your device too full to take the download.
You can prevent it from downloading over 'mobile data' but not if it can see WiFi.

To prevent mobile downloads, go to Settings > App & iTunes Stores & disable the Use Mobile Data option.
The specific types above are to prevent the phone downloading other data types at all - meaning you will need to update via iTunes on your computer.

None of those options will prevent an iOS update from downloading [even Updates, which you may think would be the one] but the Mobile option will prevent it using your phone's data plan.

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