If you really want a Nokia-style phone with WhatsApp, check out (like the Nokia 8110 4G “Banana Phone” or Nokia 6300 4G). They run WhatsApp, YouTube, and Google Maps — with a classic keypad feel.
Most versions of the new 3310 run on the S30+ operating system. This is a "feature phone" platform, not a "smart" platform, meaning it lacks the necessary ecosystem to host modern apps like WhatsApp. nokia 3310 whatsapp