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Users of the beta versions of WhatsApp, and especially those on version 2.19.221 have finally got one of the most missing and sought-after features, WhatsApp lock by fingerprint. To activate the feature, go to the app settings and “Privacy”, where you will see the desired option at the bottom of the menu.
In the fingerprint menu, you can choose whether the app will lock and you will need to open it with your fingerprint every time you exit it, after a minute or after thirty minutes. In addition, WhatsApp has added an option not to display the content of the message when the device is on the lock screen, so various snoopers can not see what was sent to you before you enter the app and also of course confirm that you are about to read your private messages via fingerprint.
As mentioned, the new feature is currently in beta, and will arrive in one of the next versions of WhatsApp in the coming weeks or months, and if you really can not resist, you can download the APK from here, but do not forget to back up your messages before then, And remember that you will have to approve the installation of a file from an unknown source and this is an action that has its risks and limitations.
Recall that iOS users received this feature as early as 2019, and can since then unlock the app using a fingerprint or even Face-ID.