QR codes are a type of barcode, or scannable pattern, that contain various forms of data, like website links, account ...
You can add new contacts to WhatsApp manually from the Chats tab or you can scan someone's QR code within the app.
Your Android or iPhone can probably already scan QR codes. Here's how to do it no matter what phone you have. When he's not testing the latest phones or phone cameras, Andrew can normally be found ...
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