How to set fingerprint lock on WhatsApp? Here's the easy way…
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How to put fingerprint lock on WhatsApp-
Step 1: First open WhatsApp. After this, click on the three dots visible on the right side and go to Settings.
Step 2: After this go to Account > Privacy > Fingerprint Lock.
Step 3: In the next screen turn on Unlock with Fingerprint.
Step 4: Users can also choose after how long the app should be automatically locked, here you will get three options, the first is immediately, the second is after a minute and the third option is 30. minutes later.
Step 5: Apart from this, now users can also choose whether the sender's message appears in the notification or not.
After whatever time you have set for the app to lock automatically, if you want to open the app, you will have to use your fingerprint to unlock the app.