Press the button on the key, then click “Allow” once you see the Chrome pop-up asking to read the make and model of your key. The next box lets you register your security key.Assuming you don’t fall into that category, click “Next.” You’ll also see an option to use only the security key as part of Google’s Advanced Protection Program (which is for users with “ high visibility and sensitive information”). You’ll see a box telling you to make sure the key is nearby but not plugged in.Select “USB or Bluetooth / External security key.” A pop-up box will list your options, which include devices that have built-in security keys and the option to use an external security key.Look for the “Security Key” option and click on “Add Security Key.” Scroll down until you see the “Add more second steps to verify it’s you” heading.You can restore this folder by updating your Flipper Zero’s firmware.ĭo not delete, edit, or move U2F files to another Flipper Zero If you delete the u2f/assets folder or the u2f folder entirely, your Flipper Zero won’t be able to use the U2F application, as the assets folder contains the cryptographic certificate that is used for registration and authentication. In this case, you will be required to re-register Flipper Zero as a security key in all of your web accounts.

If you delete U2F files, edit U2F files, or insert a new microSD card into your Flipper Zero, the device will generate a new set of U2F files. If you reinsert your microSD card with U2F files into another Flipper Zero, you will not be able to sign in to your web accounts with the new device.

Do not delete, edit, or move U2F files to another Flipper Zero Įach Flipper Zero has a unique cryptographic key that generates unique encrypted U2F files.

Fido u2f security key