How to send a circle of friends to inform everyone when changing the mobile phone number?

The content of the circle of friends in this case is as follows:

1, "Hello, friends! Thank you for your concern and support all the time. For some reason, I have changed my mobile phone number. Please update your address book in time so that we can contact you later. " : This message is to inform friends that they have changed their mobile phone numbers, and please update and save them. Directly and clearly conveyed the information, and at the same time expressed gratitude and friendly relations.

Dear friend, I have something important to tell you. Due to some changes, I have to change my mobile phone number. This new number will be my main contact information. Please save and update your address book. If you need anything in the future, please feel free to contact me. Thank you for your understanding and support! " This message emphasizes the necessity of changing the mobile phone number and the request for friends, expressing gratitude and friendly relations.