Black screen frozen iPhone X
Charged Battery plugged in all night Black screened tiny spinning white wheel icon frozen unresponsive to buttons H E L P!
iPhone XR, iOS 12
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See this for help: If your iPhone, iPad, or iPod touch won't turn on or is frozen - Apple Support
If that doesn't help then i would advise contacting Contact Apple Support, Apple Store or AASP and set up service
https://support.apple.com/repair
Get your iPhone, iPad, or iPod touch ready for service - Apple Support