nothing
The number on iMessage is not
available and disabled, and
I want to change the number
to my new number,
how do I do that?
iPhone 11, iOS 16
Remove your phone number
- On your iPhone, go to Settings > Messages > Send & Receive. Select your Apple ID at the bottom of the screen and tap Sign Out. ...
- If the phone number that you want to remove belongs to an iPhone that you can't access, change your Apple ID password.