If you are a WhatsApp user, then you must know how to change your mobile number in the app. This is because if you do not have a new number, your account will be locked and you will not be able to send or receive messages. To change your mobile number in WhatsApp:

  1. Open WhatsApp and sign in.
  2. Scroll down to the bottom of the main screen and select “Settings.”
  3. Scroll down to the " Mobile Number" section and select “Change Number.”
  4. Enter your new phone number into the text field and click on “Confirm Number.”
  5. Click on “Save Changes.”