If you want to download the DU Scan app on your iPhone and want to use WhatsApp on two mobiles, meaning two iPhones, then this is a good app. There is a very simple process to download the DU Scan app. First, on the page you come to, you must have clicked on Download Now. Now, click on Download Now on iPhone. Now, wait for a while or just click on Download Now.
This way, the app will be downloaded. Open this app. After opening it, type in your WhatsApp number, which you want to use on two mobiles, or scan it through the QR code and then enter it. After entering the code, your WhatsApp will start running on two mobiles. Now, you will be able to reply to one WhatsApp from both mobiles.