How do you do the phone part
I don’t get how to do the phone do I need a code
iPhone 14 Plus
Can you give us more details about your issue?
Did you forget the Lock Screen passcode or your Apple ID password?
Check these articles to reset the password or the Lock Screen passcode by erasing the phone to set it up again:
If you forgot your Apple ID password - Apple Support
If you forgot your iPhone passcode - Apple Support
In case this does not work, and you have proof of purchase documentation, you can start an Activation Lock support request.