If you don’t have the feature, you might need to update WhatsApp to the latest version. Even then, WhatsApp Chat Lock hasn’t yet rolled out to all devices and regions, so you may need to wait a little ...

Smartphone users unlock their phones, on average, an incredible 150 times a day. That means you're going to see your lock screen an awful lot, so it should absolutely be something you like looking at.

WhatsApp offers several features to offer users a private and secure messaging experience. The ability to lock your WhatsApp is one of the features that limits who can open WhatsApp and access your ...