WhatsApp will withdraw support for all BlackBerry, Symbian and Nokia S40 phones in December 2016. Phones running older versions of Android, iOS, and Windows operating system will also lose support.
After December 2016, users who want to continue using WhatsApp will have to upgrade to a device that supports a newer version of Android, iOS or Windows. Android users still on Android 2.1 and 2.2 will not be able to use this App. Apple’s iOS 6 will lose support and Windows Phone 7.1 users will have to upgrade their operating system to continue enjoying services.