WhatsApp is working on a new "Lock Chat" feature for Android users, allowing them to lock and hide chats for enhanced privacy. The feature will be released in a future update.
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Benefits
WhatsApp's "Lock Chat" feature will provide an additional layer of security for sensitive conversations. The locked chats will be made accessible only through fingerprint or passcode.
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More
The "Lock Chat" feature will also keep media private. It will ensure that files such as photos and videos, sent in a locked chat are not saved to the device's gallery.
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Availability
The "Lock Chat" ability is currently in the works. It will be released in a future update of WhatsApp, first for the beta testers and later for more users via the stable update.
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Usefulness
WhatsApp's latest feature aims to protect the privacy of users' data. When a chat is locked, it will be fairly impossible for anyone else to open the chat other than the individual in concern.