You can lock WhatsApp using your smartphone's touch or face ID.

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To lock WhatsApp on your phone, go to the app's settings and enable fingerprint lock or FaceID. You'll need to unlock your phone each time you close WhatsApp or after one to 30 minutes. You can protect your account with disappearing messages, chat archiving, and two-step verification.

WhatsApp is a messaging app that prides itself on security. All texts, chats, and video calls rely on

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