WhatsApp has updated its website with instructions on how to access WhatsApp Web on iPhone, and the new settings appear to be rolling out for some users now. To access WhatsApp Web from iPhone, open the app, tap on Settings and a WhatsApp Web menu option should appear once live.
WhatsApp Web settings on iPhone (Image: Reddit)
WhatsApp Web connects to your iPhone to sync messages with your computer, allowing you to send and receive messages from your web browser and view conversations on both devices. The service is also available for Android, BlackBerry, Windows Phone and select Nokia smartphones.