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).

You can do way more with a smart lock than just control it with an app. Here are a few of our favorite skills to make the most of this essential smart device.

If your smart lock is connected to a voice assistant, be sure to use a PIN to unlock it with voice commands. It's a stretch, but it is possible to create workarounds with IFTTT to avoid using the ...

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.