How to unblock downloads
How to unlock my downloads on my phone
iPhone XR, iOS 13
How to unlock my downloads on my phone
iPhone XR, iOS 13
And see If you forgot the passcode for your iPhone, iPad, or iPod touch, or your device is disabled https://support.apple.com/en-us/HT204306
Phone disabled to download
If the phone isn't disabled, where are you trying to download? Error message(s)? More information would help.
Have you checked Settings/Screen Time for any restrictions?
How to unblock downloads