Phone turns black

My iphone 15 plus suddenly turns black and a losing icon keeps spinning. Then it turns off and I can use it again, it is only for a few seconds.

I have updated to iOS 18.1 beta, could this be the issue. Is my phone broken?

I have tried restarting my phone

Hello @user672, thank you for your post. For general help with iOS 18, please post in the Apple Support Community. The Apple Developer Forums are for questions about APIs and features intended specifically for developers.

Phone turns black
 
 
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