Step 1: Follow these steps on your existing smartphone's Google Authenticator app
1. Open Google Authenticator then tap the three-dot menu icon located on the top right corner
2. Select "Transfer accounts"
3. Select "Export accounts" and enter your PIN code when prompted
4. Select the accounts you want to transfer into your new phone and then tap Next
5. The app will display a QR code. Ensure that your Google Authenticator app is installed and functional inside your new smartphone.
6. Move over to the new smartphone's Google Authenticator app
Step 2: Follow these steps on your new smartphone's Google Authenticator app
1. Open Google Authenticator then tap the three-dot menu icon located on the top right corner
2. Select "Transfer accounts"
3. Select "Import accounts"
4. Tap on "Scan QR codes"
5. Scan the QR code displayed inside your existing smartphone
6. Your Google Authenticator transfer is now complete
Note: If your randomly generated code does not work, please consider Syncing Your Google Authenticator