Instant Messaging App ‘WhatsApp‘ has supported biometric authentication on its iOS platform. This allows the user to lock the app through Face ID or Touch ID. However this feature will not work on per chat basis.
Enabling this feature can help users to lock their private messages from Face ID or Touch ID. This feature has been release in version 2.19.20 of WhatsApp.
Steps to enable this feature :
- First of all users have to install WhatsApp of version 2.19.20.
- After go to settings choose the Account option which helps you to enable this feature.
- Now tapping on Privacy, open the Screen Lock option.
Note : This feature has been introduced for iOS 9 or above.
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