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WhatsApp Messenger is a freeware, cross-platform messaging and Voice over IP service owned by Facebook, Inc. It allows users to send text messages and voice messages, make voice and video calls, and share images, documents, user locations, and other media

Initial release date: May 3, 2009Developer(s): WhatsApp Inc. (Facebook, Inc.)Written in: ErlangSize: 152.7 MB (iOS); 25.24 MB (Android)Owner: FacebookOriginal authors: Brian Acton, Jan Koum

Enable fingerprint lock


1.Open WhatsApp + tap More options + Settings + Account + Privacy.

2.Scroll to the bottom and tap Fingerprint lock.

3.Turn on Unlock with fingerprint.
Touch the fingerprint sensor to confirm your fingerprint.

4.You can tap to select the amount of time before fingerprint authentication is prompted.