Good morning Jerry Lee E 1970,
Welcome to the Apple Support Communities!
I understand your iPhone 8 is not responding and you can't access some settings. The resource below will provide some steps to take to address this issue:
If your iPhone, iPad, or iPod touch won't turn on or is frozen
If the iPhone isn't frozen but you have restrictions enabled, the following resource can help you with turning them off:
How to use parental controls on your child's iPhone, iPad, and iPod touch
Take care.