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In its latest beta, WhatsApp now supports fingerprint locking on Android. To try this feature, download WhatsApp 2.19.221 and you should see this lock option under the Privacy tab in Settings.
In addition, it is possible to obtain it by deleting and reinstalling the application, but be sure to backup your data. Once you have the feature, it is pretty obvious that once activated, you will be asked if you want to lock once you close or wait 30 seconds. Seconds There is also an option that allows you to hide the contents of notifications when you close.
You can also reply to notifications messages and answer WhatsApp calls, because authentication is required only when you want to open the application.
SOURCE:
National Agency of Information
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