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Use passkeys across devices – here is how!

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In this article, you will learn how to use passkeys on multiple devices with the help of a password manager – securely and conveniently.

If you want to use passkeys on multiple devices, a password manager is a practical solution. It stores your passkeys securely, and automatically synchronizes them across all devices on which you use the same service. This means you can log in just as easily on your laptop as on your smartphone, for example – without having to set up the passkey again.

Why a password manager?
A password manager stores your passkeys in an encrypted form and makes them available on all devices on which you are logged in with the same account. This allows you to use passkeys across devices and log in to somnio securely and conveniently at any time.

Step by step: Set up passkeys with a password manager

  1. Select a supported password manager
    Many modern password managers already support passkeys, for example:
  • 1Password
  • Dashlane
  • Bitwarden (still partly in beta)
  • iCloud Keychain (for Apple devices)
  • Google Password Manager (for Android and Google Chrome)

Select a service that matches your operating system and follow the instructions for creating an account. Make sure that you are logged in with the same password manager account on all devices on which you want to use passkeys.

Please note: Not all password managers are free of charge. Some only offer limited free versions or paid additional features.

  1. Create and save a passkey in somnio
    When you log in to somnio or set up a passkey, you will be asked whether the passkey should be saved. Your password manager detects this process automatically and offers to save the passkey for you. Confirm this so that the passkey is stored in the password manager.
  2. Use automatic synchronization
    The password manager ensures that your saved passkey is automatically available on all your devices – provided that you are logged in everywhere with the same account. Manual transfer is not necessary.

Login with passkey on different devices
If you want to log in to somnio on another device, open the app or the browser version of somnio there and select "Login with passkey". Your password manager will automatically provide the appropriate passkey. 

If your device does not support biometrics

If your device does not support biometric login, you can alternatively confirm the login using your device PIN or device password.

Tips for smooth use
Keep your password manager up to date so that all security features function reliably. Many password managers also offer backup features that allow you to protect your data. If you regularly switch between multiple devices, a password manager is the easiest way to centrally manage passkeys.

Example: Set up passkeys with Google Password Manager

  • On an Android device: Make sure you are logged in with your Google account and that Google Password Manager is enabled. If your device supports it, you should also set up a biometric method such as fingerprint or facial recognition. If you then create a passkey in a supported app or website, it will be saved automatically.
  • On a computer with Google Chrome: Log in to Chrome with your Google account and enable password and synchronization features in the settings. If you then create a passkey on a supported website, it will be automatically saved and synchronized in Google Password Manager.
  • Use on other devices: Once Google Password Manager is set up, you can use your passkeys on all devices on which you are logged in with the same Google account. No additional setup is required.

With a password manager, using passkeys across multiple devices is especially convenient – secure, fast, and without the need to repeatedly enter passwords.

Any questions?
If you have questions about the somnio app – both regarding content and technical issues – you can contact our support team at any time. You can reach us by email at support@somn.io or directly via the support feature in the app. We respond within 24 hours, seven days a week.