WhatsApp is a popular messaging app that allows users to send and receive text messages, voice messages, images, and videos. The app also offers a number of features to help users protect their privacy, including chat lock.

Chat lock is a feature that allows users to password protect their most personal chats. This means that in order to read or send messages in a locked chat, the user will need to enter a password or use their fingerprint or Face ID.

To lock a chat on WhatsApp, follow these steps:
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