My iCloud and phone storage is full and my camera permissions in all apps have been turned off and disabled. Please suggest how to resolve this?
Apple has an article walking through how to rescue a device that needs space to get to 13.6.1.

https://support.apple.com/en-us/HT211686

Worst case, back up to a computer and then use that to get you past the space crunch. I’m delighted with how 13.6.1 has helped me use space better on iOS.