What Is WhatsApp Chat Lock and How Does It Work?
WhatsApp's Chat Lock feature enables selective conversation protection by moving locked chats to a dedicated folder requiring biometric or PIN authentication. Users can additionally hide this folder from the main chat list using a secret code. The feature masks message previews and sender details in notifications, while allowing calls from locked contacts to arrive normally. This how-to guide walks through locking, hiding, finding and accessing protected conversations.
Key points
- Locked chats move to separate folder with device authentication requirement
- Optional secret code can hide folder from main chat list
- Message previews and sender info hidden from notifications
- Calls from locked contacts still come through normally
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