consar325 Said:
"Open certain apps via settings: I am unable to open up certain apps in my settings app. For example, when I go on my settings app, I am unable to open Facetime and change its settings. I am not sure why it is doing that, why? and what can I do to fix that?"
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Getting Settings' Apps to Open:
Start with a Manual Restart:
Having just installed this update, then restart your iPhone, manually. Go here: Restart your iPhone - Apple Support
Disable Screen Time:
- Go to: Settings
- Tap: Screen Time
- Tap: Turn Off Screen Time(so that it is greyed-out)