WhatsApp earlier posted on their official blog that they are stopping support for some operating system versions, it includes iOS, BlackBerry, Symbian, S40, Windows Phone and of course Android is also in the list. The post published on February 26,2016 and later WhatsApp decided to extend the support for some Phones till June 30, 2017.
So let us have a look on which are the versions of Android which WhatsApp stopped supporting from February 26, 2016
These two versions hold less than 0.1% of the total Android distribution (Android Distribution Numbers for May 2017 ).
iOS version 6 and iPhone 3GS and the Phones with Windows Phone 7 is also in the list of phones lost support previous year.
WhatsApp decided to extend the support for the following versions till June 30, 2017 and which will come to an end soon.
BlackBerry OS and BlackBerry 10
Nokia Symbian S60
So what if you have a phone which falls in any of the above categories ? WhatsApp suggest you to upgrade your Operating system (if available) or upgrade your device to one which supports higher version of the Operating system which supports WhatsApp.
Read more from the WhatsApp Blog