Do you wish to lock your individual chats on WhatsApp? Here's how you use the Chat Lock feature in WhatsApp to lock your chats and make them more private.

If you've wondered how you can stop other people reading your messages, find how to use WhatsApp Chat Lock here.

How to use Smart Lock All you do to use Smart Lock is keep your phone connected to your Pixel Watch via Bluetooth. However, you must unlock your phone once (and at least every four hours afterward).

If all of your devices have been updated, using your passcode to lock notes only takes a few taps. Choose between using your iPhone’s passcode or setting a new password for unlocking your notes.