How can I transfer my 2-Factor Authentication settings when I upgrade my device?
The transfer method for each 2-Factor Authentication app is as follows.
[How to transfer Google Authenticator]
① Install “Google Authenticator” on the new device.
② Start “Google Authenticator” on the old device, tap the Menu button (*) and select Transfer accounts.
* The menu button is displayed with “…” for iOS and “⋮” for Android.
③ Select the account you wish to export and proceed to the next screen, where a QR code will be displayed.
④ Launch “Google Authenticator” on the new device and tap “Do you want to import an existing account?”.
⑤ Tap “Scan QR Code” to scan the QR code displayed on the old device’s app screen.
[How to transfer IIJ SmartKey – Internet Initiative Japan Inc.]
① Start “IIJ SmartKey” on the old device.
② On the Settings screen, select each registered service.
③ Select each registered service on the settings screen.
④ Select “IIJ SmartKey” on the new device.
⑤ Tap the New Registration button.
⑥ Scan the QR code displayed on the old device.
⑦ Confirm that the same One Time Password is displayed on the new and old devices.
⑧ Delete the registration service for the old device.
[How to transfer Authy 2-Factor Authentication]
① Start “Authy” on the new device.
② Enter your phone number and authenticate your account via “Phone Call” or “SMS”.
③ Enter the “Backup Password” to unlock the registered service.