;
, It's in the lower-right corner of the screen.
, Doing this deletes the messages contained in all chats on the device.


Use this selection if you want to preserve your chat history without the messages that take up so much memory.
 It's in the upper-left corner of the screen. You have now cleared WhatsApp data from your device.
Open the WhatsApp app.
Tap Settings.
Tap Chats.

,
Tap Clear All Chats.
Tap Settings.
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