How do I unlock my old Apple Account?
I need help. When I bought new iphone and signed in to Apple Account the system asked me to sign in to iMessage and there use another one account. The same in both system cannot use. I tried 100500 times and it fails. When I go to reset password then it ask to input phone number (2nd step to reset pass) and there is very old phone number which I didn't use more than 10 years. Of cource, I do not remember. What I can do? How to reset or how to erase old my acc from iMessage? I also cannot to pair my watches due unlocking my old acc
[Re-Titled by Moderator]
iPhone 15 Pro, iOS 18