I can't download apps from App Store on iPhone

All the other options are in the article below

If you can’t download or update apps on your iPhone or iPad

try this:

Settings, Screen Time, Content and Privacy Restrictions, iTunes and App Store Purchases, Installing Apps, Allow “on”

or turn screen time completely off.

I need help I can’t, download anything on my iPhone or iPad at all tells me that there are restrictions, on my phone I can’t sign out or anything.

Look at the answers above