WhatsApp regularly brings new and useful features for its Android and iPhone chat apps.
One of features on Android is the ability to add a fingerprint lock to WhatsApp Messenger.
This means that you can’t access WhatsApp chats without unlocking the app via a fingerprint saved on the phone.
You need a smartphone with a fingerprint sensor for this to work and the latest version of WhatsApp.
Fingerprint lock feature on WhatsApp for Android works with phones that have a capacitive fingerprint sensor, and those that have an in-display fingerprint sensor.
We will describe how to add a fingerprint lock to WhatsApp on Android.
This feature has been available on WhatsApp for iPhone since February 2019.
How to set up fingerprint lock on WhatsApp for Android
Before proceeding, make sure you have installed WhatsApp version 2.19.221 or above by heading over to the WhatsApp page on Google Play. Once that is done, simply follow these steps to secure your WhatsApp chats on Android with fingerprint authentication.
1. Open WhatsApp > tap the vertical three dots icon on the top-right and go to Settings.
2. Go to Account > Privacy > Fingerprint Lock.
3. On the next screen, turn on Unlock with Fingerprint.
4. You can also set the duration after which you’ll have to use your fingerprint to unlock WhatsApp.
5. It can be set to Immediately, After a minute or After 30 minutes.
6. You can also choose if you want to show the message content and sender in the notifications or not.
Now whenever you open WhatsApp, depending on the automatic lock duration you’ve set, you will need to apply your fingerprint to unlock the app.
And that’s how you can set WhatsApp fingerprint lock on your Android smartphone.
Like Android, WhatsApp also allows biometric lock feature on iPhone.
While the iPhone models that support Face ID can use facial recognition to secure that chat messages,
The iPhone models with Touch ID can use fingerprint lock.
The biometric authentication can be enabled by going to WhatsApp Settings > Account > Privacy > Screen lock.
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