This method is to activate the emergent notifications and to read the messages (in case they are not very extensive, since it only picks up a limited amount of characters) on the desktop of the smartphone when they are sent to you. In iOS, this is done through «Settings» and, in Android, accessing WhatsApp -> Application settings -> Pop-up notifications -> and «Always show pop-up». (adsbygoogle = window.adsbygoogle || ).push({}); For Android, you must activate the...