HELP

Hey there,

Unfortunately you should know your Apple ID & password to be able to access your iPhone , and to be able to activate it as lost, how ever you can use this article if you forgot your Apple ID email address ☞ If you forgot your Apple ID email address or phone number - Apple Support

And use this one if you forgot your Apple ID password ☞ If you forgot your Apple ID password - Apple Support

To learn more about what you have to do if your iPhone has been stolen check ☞ If your iPhone, iPad, or iPod touch is lost or stolen - Apple Support

All The Best!

Apple Account Security question can be reset using the steps given in this article: If you forgot the answers to your Apple ID security questions - Apple ...