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How to change Cell Phone number for 2 Factor Authentication

1. Sign into your email on a Windows computer or MacBook.

2. Navigate to your email 

3. Click the circle next to the ISS banner in the upper right hand corner a. It will either have the first letter of your first name or your profile picture

4. Click “Manage your Google Account”

5. Click “Security”

6. Then under the “Signing in to Google” section 


a. Click 2-Step Verfication

7. Then click the arrow next to “Voice or text message” 

8. Now you should see a list of the phone numbers set up for 2-Factor Authentication

a. To remove a phone number click the trash can
b. To edit click the pencil