How to add a new contact to WhatsApp using the Chats tab or a QR code

You can add new contacts to WhatsApp manually from the Chats tab or you can scan someone's QR code within the app.
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Whatsapp major change to the way you add contacts - here’s what is new

WhatsApp will allow you to save contacts within the app. It will no longer just rely on using the address book in your phone. Users will also be able to add contacts when using WhatsApp Web - and much ...