Forgetting my passcode

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

To change a passcode you need to know the existing one.

In your situation, all you can do is to follow the steps provided in this support guide:

If you forgot the passcode for your iPhone, iPad, or iPod touch, or your device is disabled - Apple Support

Regards

Giulio