How do I change the screen time on my child’s device
How do I turn off screen time on my child’s device
Question marked as
Top-ranking reply
Refer to this link -->Use parental controls on your child's iPhone, iPad, and iPod touch
https://support.apple.com/en-us/HT201304
"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."