WhatsApp for Nokia has extended support for some devices running older operating systems while other devices were no longer supported by the chat
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WhatsApp will stop working on some Android, iOS phones from Nov 1. Check list - Hindustan Times
List Of Phones That Will No Longer Support Whatsapp From 30th June 2017 - Phones - Nigeria
Shocker! WhatsApp will stop working on older handsets! Is your phone phone on the list?
So WhatsApp has started kicking out old Nokia phones - Techzim
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