my Apple ID is greyed out on my iPhone and I cannot access the iCloud
on my iPhone, my appleid and iCloud are greyed out. My restrictions and screen time passwords are not working!
iPhone 7 Plus, iOS 12
If you can't remove the restrictions in Settings/Screen Time by using the password and you don't have a backup made before you enabled the restrictions, you can't recover your data.
From the article below.
To change or turn off the passcode on your child's device, tap Settings > Screen Time > [your child's name]. Then tap Change Screen Time Passcode or Turn Off Screen Time Passcode, and authenticate the change with Face ID, Touch ID, or your device passcode.