How to Change Mobile Number
2. On Security page, you will see that you have a phone number verified. If you wish to change your phone number, please click Mobile.
3. Enter your new phone number and the verification code followed by the button Next.
4. Verify your current phone number and click Confirm.
If you have already set up 2FA, email verification, and a payment password, you will also be required to verify once during this process, in order to ensure the security of your assets.
After that, you will change your mobile number verification successfully.