WhatsApp has rolled out multi-device support to all users on iOS and Android, allowing WhatsApp to be used on up to four linked devices without users needing to be connected via a smartphone.
Previously, the WhatsApp mobile app was required to authenticate an account used on another device, such as a computer, and used a QR code to link a user account to a web browser or desktop app. While that initial link is still required, the connected phone that has the WhatsApp app on it is no longer required once the link has been made.
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