WhatsApp , the renowned instant messaging application, has announced that as of January 1, 2019, some mobile models will no longer be able to create new accounts or update the app. The first model that will be left out is the Nokia S40; then it will be the time for those smartphones with Android 2.3.7 and above operating system, iPhone with iOS 7 and earlier, having a longer term, since it was stipulated as the deadline on February 1, 2020. Those still in the race: WhatsApp will continue t...