restrictions passcode

Uh oh.

Follow the link below and look under 'Change your Restrictions passcode':

Use parental controls on your iPhone, iPad, and iPod touch - Apple Support

Also note, if you forget your Restrictions passcode, you need to erase your device, then set it up as a new device to remove the Restrictions passcode, because the backup would contain the same passcode that you forgot.

Forgot? Click below…

Click->If you forgot the passcode for your iPhone, iPad, or iPod touch, or your ...

Click->If you forgot the answers to your Apple ID security questions - Apple ...

Click->If you forgot your Apple ID password - Apple Support

Click->If you forgot your Apple ID - Apple Support