How to write short messages when I change my phone number?

Dear family and friends, dear leader, my phone number has been changed to * * * * *. If you need to contact, please dial the new number. This short message is a mass message.

Send a short message to a friend in the address book with your new mobile phone number, and write "Hello, my friend, I'm XXX (your name). This is my new mobile phone number, please keep it safe. The original mobile phone number is deactivated (if the original mobile phone number is indeed deactivated) ". Then send it to friends in groups. Then post the same information on social platforms such as QQ space and WeChat circle of friends.