Or on your android phone go to Application Manager and clear cache.If the Whatsapp web option does not show up even after updating, reboot your phone.
Or on your android phone go to Application Manager and clear cache.If the Whatsapp web option does not show up even after updating, reboot your phone.
So maybe it has not been done properly on Windows

How u scan QR code...Its working on my Galaxy s2![]()
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