Home > Technology > App News > Here's how you can use the new Touch ID, Face ID unlock on WhatsApp for iPhones

WhatsApp, in its latest update, has included a feature that lets iPhone users unlock the app with their biometrics. The build version 2.19.20 has received this feature which lets you add an extra layer of security to the application through Face ID and Touch ID.

The new authentication system is very similar to the one found on Outlook and Signal iOS apps.

To enable this feature, simply open WhatsApp and then go to Settings --> Privacy --> Screen lock. Here you will find the option to unlock WhatsApp through Face ID or Touch ID. Further, you can opt to be prompted about this immediately or after intervals of a minute, 15 minutes or an hour.

To start using this feature you’ll have to update your WhatsApp to the latest version (build v2.19.20). Depending on your settings, it will be updated automatically or manually. To manually update the app, go to the App Store, search for WhatsApp and check if your device has received the update. The feature is still in the rolling out phase, so it might take a while for your device to receive the update. WhatsApp for iPhone is 137.7MB in size and the new biometric feature is compatible with iPhone models beyond 5S running iOS 9.0. The feature is also expected to make its way to Android devices soon. 

The feature is not applicable to individual WhatsApp chats—it only lets you open WhatsApp with your biometrics. It also lets you view WhatsApp notifications with the body of the message as well as receive or decline WhatsApp calls.

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