How to add fingerprint unlock to WhatsApp on Samsung Galaxy phone

WhatsApp is one of the most popular messaging apps among Samsung Galaxy smartphone users, especially in markets where the company offers customer support through the Meta-owned app. The app gets better with every update, and you may or may not have known it, but if you want to keep your messages safe, you can secure WhatsApp behind a fingerprint-based lock.

Obviously, to enable this fingerprint security feature in WhatsApp, you need a Galaxy smartphone equipped with a fingerprint scanner. Luckily, most Galaxy phones have this hardware component, either behind the display or embedded in the physical side button. Some cheap models lack this feature, but as long as your Galaxy device comes with a fingerprint scanner, you can follow these simple steps to enable fingerprint unlock feature for WhatsApp:

How to lock WhatsApp behind your fingerprint

WhatsApp does not have its own fingerprint registration feature. In other words, before you can use WhatsApp fingerprint unlock, you need to enable and set up your fingerprint security feature in One UI on your Galaxy phone.

Once you’ve done that, open WhatsApp and tap on the three dots button in the top right corner of the screen – next to the search icon. Beat “Settings” in the pop-up menu and then go to “Privacy,” Scroll down and tap “Fingerprint lock.”

Finally, tap “Unlock with fingerprint” turn it on and verify your identity using your fingerprint when prompted.

Once “Unlock with fingerprint” is activated, you can choose whether WhatsApp should be blocked immediately after closing the app, after 1 minute or after 30 minutes. In addition, you can choose whether or not you can preview sender information and messages via WhatsApp notifications. That’s all! You can now use WhatsApp more securely on your Galaxy device.

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