WhatsApp will stop working on devices running BlackBerry OS, BlackBerry 10, and Windows Phone 8.0 and older from December 31, 2017. The WhatsApp blog post with end-of-life dates clearly mentions that users of BlackBerry OS, BlackBerry 10, and Windows Phone 8.0 and older operating systems will not be able to use the app after December 31, 2017 which is not upto a week from now.
If you can recall, WhatsApp had extended support for both platforms in June this year which i personally blogged back then on mozillatechs. At the time, WhatsApp had also revealed that the app will stop working for phones running Nokia S40 from December 31, 2018.
The app will stop working on phones running Android 2.3.7 and older (Gingerbread) from February 1, 2020. The messaging app became unavailable to download on Nokia phones running Symbian S60, from June 30, 2017.
Also Read: Download Latest GBwhatsapp version 6.1
Ending support for Blackberry and Windows Phone has seen no further extensions and will come into place on the mentioned date. If your phone has any of the two specified operating systems, you should consider upgrading to a newer phone in order to access WhatsApp properly. WhatsApp updates for other OS versions like Windows Phone 7, Android 2.1, Android 2.2, and iOS 6 were stopped in 2016.