How do I change my Apple Account password?
I sell my phone buy the buyer said your apple id still in phon I want to change my apple id password
[Re-Titled by Moderator]
iPhone 8, iOS 16
Question marked as
Use the steps in this support article to remove your personal information from a device, even if you don't have it anymore. --> What to do before you sell, give away, or trade in your iPhone or iPad - Apple Support
Don't give the person your password!