iOS 18 crash - find my iPhone and screen time

I updated to IOS 18, now every time I click on Screen Time, my phone freezes and then goes back to the main screen. After being upset for a while, I decided to go back to IOS17, but to do so, I need to unable the "Find my iPhone," which is also LOCKED and unavailable with this update. What am I supposed to do?

Yeah it's happening all over the base. This has been posted multiple times already (eg https://developer.apple.com/forums/thread/757959?login=true&page=1#792756022)

And they know it since there's an engineer response here: https://forums.developer.apple.com/forums/thread/756855

They also commented there's no workaround yet, so all we can do is wait and suffer

iOS 18 crash - find my iPhone and screen time
 
 
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