The company said in its blog post that when the service was launched in 2009, the popular platforms powering about 70 per cent of devices were by BlackBerry and Nokia, and mobile operating systems offering by Google, Apple and Microsoft, which today account for 99.5 per cent of sales, were less than 25 per cent at that time.

In an attempt to stay updated and offer users more security, WhatsApp has decided that by the end of 2016, it will withdraw its support for WhatsApp Messenger on platforms including BlackBerry, BlackBerry 10, Nokia S40, Nokia Symbian S60, older Android platforms like Android 2.1 and Android 2.2, and Windows Phone 7.1.It said these outdated operating systems do not offer the kind of capabilities required to expand WhatsApp’s features in the future.Users who are on devices running the older platforms are advised to upgrade to devices running the modern platforms.