Add a backup phone as an alternative 2-Step Verification step tranganhnam.lavie@gmail.com A backup phone number ensures you can sign in when your main second verification step is unavailable. Add a backup number and see other personalized recommendations in the Security Checkup . Take action You can also go directly to: https://myaccount.google.com/security-checkup You received this email to let you know about important changes to your Google Account and services. © 2021 Google LLC, 1600 Amphitheatre Parkway, Mountain View, CA 94043, USA