In this article:

About methods
​Biometrics
​Push notifications
​SMS codes

1ST OPUS offers you to choose your authentication method when you are registering and setting up your account. And if you've skipped that step, you can always come back and change it on the 1ST OPUS web page:

In the account menu, you will see the needed setting:
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There are 3 options for you to choose from:

The biometric type of authentication like fingertips or facial recognition works only for mobile apps. Even If you choose this method and try to access your account on PC, you will need your mobile device to authorize:

You will get a push notification on your phone from the mobile app:

Once you click the "Confirm" button from the screenshot above, the app will require Face ID or fingertip authorization.

Once you go through biometric authentication on your phone, access will be granted for your other device.

We recommend this method as the fastest and most secure way to get into your account.

You can confirm your login using the one-time password sent by the Monty app to your mobile device. It will be sent as a push notification:
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If you haven’t received a push notification please check if:

If you don’t have fingerprint or face recognition and can’t install our app on your mobile phone, please choose the “SMS codes” method:

If you haven’t received an SMS please check if:

We care about your security

Therefore, we have ensured that only authorized devices can access your account.