Hey there jz193rl,
Thanks for reaching out to Apple Support Communities. I’ll be happy to help with the issues you’re having with your iPhone 11 Pro.
For the issues with your iPhone camera, go through the steps in this link:
If the camera on your iPhone isn't working
For the issues with Face ID, these steps can help:
If Face ID isn't working on your iPhone
For the noisy sounds, is this coming from the hardware or are these alerts? If they seem to be related to the hardware, remove any case you may have on your iPhone and restart:
Restart your iPhone
For the issues with notifications, go to Settings > Notifications and tap on the affected app. If the notification settings look correct, turn them off, restart your iPhone, and turn them back on. See if this helps at all. If not, remove the app from your iPhone, restart, install the app, and test again.
For the issue with Settings closing unexpectedly, force close the app and restart. See if this helps at all.
How to force an app to close on your iPhone, iPad, or iPod touch
For the issues with your iPhone overheating, please review the steps here:
Keeping iPhone, iPad, and iPod touch within acceptable operating temperatures
All the above steps may help with your iPhone battery life as well. If you still notice issues, follow the tips in this link to help you maximize your battery life:
Maximizing Performance
Let me know if this helps.
