Steps:
From the game lobby, click Settings in the left-hand menu.
On the Edit Profile page, delete your existing email or phone in the corresponding field.
Enter your new email address or phone number.
Click Save.
For email updates, check your new email inbox and click the verification link to confirm your address.
For phone updates, check your SMS messages for a verification code, then enter it when prompted.
Tip: Until you complete the link click (email) or code entry (SMS), your profile will continue to show the old contact information.
Figure 1: Click Settings in the left-hand menu of the game lobby.
Figure 2: The Edit Profile page, where you delete and enter your new email or phone, then click Save.