WhatsApp to end support for Windows Phone-based smartphones
Whatsapp For Nokia S60 - Colaboratory
WhatsApp Extends Support for BlackBerry, Nokia Explain [Hindi/Urdu]
WhatsApp support for Nokia S40 extended till Dec 31, 2018 - Nokiapoweruser
WhatsApp Stops Working On Older Phones But Here Are 5 Alternatives To Consider
WhatsApp has stopped working in older iPhone and Android handsets - Tech Wire Asia
WhatsApp for Nokia S40 phones supported till December 31, 2018
WhatsApp will stop working on these old phones in 2021
WhatsApp ends support for BlackBerry OS, BlackBerry 10, Windows Phone 8