Google Authenticator Backup Code

1. Reinstall and run the "Google Authenticator" (2FA) app
2. Click "Enter provided key & manual entry"
3. Enter account name
4. Enter the 16-digit backup code backed up in "My Key"
5. Click "Add" to enable use of backup code.

* If your mobile device has been changed, please make the necessary changes to your personal information by referring to the following link and then proceed.