The email address cannot be changed directly as the members are added through the invitations, mailed by the Admin. But, the phone number can be changed anytime:
1. Go to the ["Profile"] page on Dashboard
2. Click on ["Change phone number"] button
You will be directed to the screen as shown below:
3. Now, enter the new phone number and click on ["Send OTP"].4. Finally, enter the OTP received on your new number and click on ["Verify"].