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How to use Android fingerprint lock
As an additional privacy measure, you can prompt fingerprint lock when you open WhatsApp on your phone. When this is enabled, you'll have to use your fingerprint to access the app.
Enable fingerprint lock
- Open WhatsApp > tap More options
> Settings > Account > Privacy. - Scroll to the bottom and tap Fingerprint lock.
- Turn on Unlock with fingerprint.
- Touch the fingerprint sensor to confirm your fingerprint.
- You can tap to select the amount of time before fingerprint authentication is prompted.
- Turn on Show content in notifications if you’d like to preview message text inside new message notifications.
Disable fingerprint lock
- Open WhatsApp > tap More options > Settings > Account > Privacy.
- Scroll to the bottom and tap Fingerprint lock.
- Turn off Unlock with fingerprint.
Note:
Fingerprint lock is only available on Android devices with a fingerprint sensor running Android 6.0+ that support the Google fingerprint API.
This feature isn't supported on the Samsung Galaxy S5, Samsung Galaxy Note 4, or Samsung Galaxy Note 8.
In order to use fingerprint lock, you'll need to have it enabled in your phone’s settings.
You can still answer calls if the app is locked.