How to change imessage email address

- How to change my imessage email address
- How to change imessage from email address to phone number
- How to change email address for imessage on ipad
- How to change imessage from email to phone number
- How to change number on imessage
- How to convert imessage to text message
- How change text message to imessage
- How to change mail on iphone