@Brash wrote:
The user should be able to change it from their profile (assuming they still have access).
https://documentation.meraki.com/General_Administration/Other_Topics/Two-Factor_Authentication#Chang...
Should they no longer have access, they can have 2FA reset by Meraki support (instructions further down in page) or the user account can be recreated by another admin
would like to add further
Click on My Profile. Scroll down to the Two-factor authentication section of the page. Click Edit right next to the current registered phone number (Primary or Backup). In the Setup your phone section, enter the new phone number in the Phone Number field.