WhatsApp ends support for old Nokia phones running on S40
WhatsApp to end support for this platform after 31 December 2018: Here's how you can continue using WhatsApp
WhatsApp Said Goodbye to Most of The Cell Phones
WhatsApp stops support for 1.5bn phones, here's the full list of devices affected – PCR
WhatsApp to End Support for Windows Phone 8.0, BlackBerry OS, BlackBerry 10 Running Smartphones Today
WhatsApp extended the support for s40 Nokia devices!
Video] Check out the cancelled Nokia 235 feature phone prototype running on buttery smooth YunOS based on Android
WhatsApp to stop supporting older smartphones: List of unsupported smartphones
WhatsApp to pull support on older smartphones, Science & Tech News
WhatsApp Android Gingerbread And iOS 7 Support Ends In 2020 - SlashGear
WhatsApp ends support for BlackBerry OS, BlackBerry 10, Windows Phone 8