Transfer from Android phone to new iPhone

See this, Move from Android to iPhone, iPad, or iPod touch - Apple Support

On my Android it’s asking iOS code that supposed to be on my iPhone . I’ve already set up Iphone , where would the code be located at on my iPhone for the code I’m supposed to enter to transfer on my Android

I am not able to transfer data from old android Samsung to my Apple seven

My user name cbonita418@gmail.com need a reset password.