Use Bluetooth security keys or your phone’s built-in security key on any iOS device via the Google Smart Lock app.

Use any USB security key directly on an iOS device that has a USB port (such as an iPad Pro) or via an Apple Lightning to USB camera adapter on any other device.

Tap a Titan Security Key (all of which have built-in NFC) on the back of your iPhone.

Why it’s important Security keys provide the strongest form of 2-Step Verification (also known as two-factor authentication or 2FA) to help protect your account against phishing, especially when used as part of the Advanced Protection Program for the enterprise. Learn more about how you can use security keys on Apple devices on our Security blog. This means you can use a USB or NFC security key directly on an iOS device, without installing the Google Smart Lock app.

Specifically, we’re enabling native support for the W3C WebAuthn implementation on Apple devices running iOS 13.3 and above. What’s changing We’re making it easier to use security keys with your Google Account on iOS devices.

Nfc security key iphone