Google dynamic password FAQ

Q: Android phone prompts need to start Google Play to scan QR code, Google Play cannot be downloaded, how to operate?

A: Some Android phones are unable to enable Google Play services. Please manually enter 2FA backup key with "manual input verification code".

Q: Android phone Google validator can't enable camera, how to operate?

A: you need to install the Google installer and enable the installation of Google service and then restart your phone to use the camera scan.