This fingerprint lock feature is added to the WhatsApp software on the iPhone.
So, how can one enable this feature?
Users will have to configure the TouchID or FaceID unlock feature on WhatsApp.
Once the configuration is done, users need to shut down the app and restart it again.
so you can use WhatsApp, users will have to authenticate their identity.
The FaceID works for iPhone X, and newer.
The new feature is expected to be immediately enabled in the next 2.19.20 App Store update.
Source:wabetainfo
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source: www.techworm.net
