Here's how you can allow or disallow changes in restrictions on your iPad, iPhone or iPad.
1. Tap on Settings.
2. Tap on General.
3. Tap on Restrictions.
4. Tap on Enable Restrictions.
5. Type in a passcode.
6. Go to the Allow Changes section.
7. Tap the option you want to change:
8. Tap the Allow Changes or Don't Allow Changes button.