The Tecno T33 comes with a proprietary OS, which does not support applications like WhatsApp on the phone. WhatsApp is supported by platforms like android, windows and iOS only. Other operating system which have a UI over the android OS can only support apk file for WhatsApp. The Tecno T33 comes with a 2.4 inch display and comes with 8 MB of RAM.
How can I download Whatsapp on my Tecno T33?