iPhones and Android handsets are to find the app has stopped working after it said it would stop support from the end of the 2016.
WhatsApp said that the move had been made to ensure that the app could continue to introduce new features and stay secure, which relies on the app being used on newer operating systems. Anyone using Android 2.1 or 2.2, an iPhone 3GS or iOS 6 will find the app has stopped working. The same will happen to anyone on Windows Phone 7.
WhatsApp to more deeply integrate encryption and other privacy services. Such technology stops messages from being read, and has led to WhatsApp facing criticism from governments who believe that WhatsApp conversations should be made public.
It’s also likely to allow for more rapid introduction of new features. Rumoured updates scheduled in 2017 include a new feature that would allow people to edit or entirely delete messages after they have been sent.