On iOS 8.4 on iPhone 5s, I noticed that if I set Cellular > App Store > Off, kill Setting app, then activate Airplane Mode, deactivate Airplane Mode, launch Settings, Cellular > App Store is now On (Green). Toggling Airplane mode flipped the setting. This is true for a number of Apple apps. Why does this happen and what can be done so that my preferences are retained when toggling Airplane mode?
IOS – App cellular settings lost when toggling Airplane mode
cellular-dataiossettings
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Best Answer
The best solution to this would be to backup and reinstall the OS.