How do I change my phone number for two-step verification?
If you've enabled two-step verification and you'd like to change the phone number registered with your account, visit your account settings from the Dropbox website.
Change your phone number
- Click on your name from the upper-right of any page to open your account menu.
- Click Settings from the account menu and select the Security tab.
- Under Two-step verification, click Edit.
- Enter your password and click Next.
- Enter your phone number and select Save .