At present, the most used communication platform is believed to be WhatsApp. The main reason is that it was launched in the early stage of the smartphone. More importantly, the stability of the service is very high. As for the emergence of the new system, WhatsApp has announced that it will stop a series of old operating system versions starting on December 31, 2019.
WhatsApp announced that it will stop a series of old operating systems, including Windows Phone, starting December 31, 2019, and Android 2.3.7, iOS 8, or older versions will be in February 2020 Support will stop on the 1st.
WhatsApp currently recommends system requirements:
Android requires Android 4.0.3 or later
iOS requires iOS 9 or later
KaiOS requires KaiOS 2.5.1 and later
So if your device is a system update that supports updates, upgrade now, otherwise you wo n’t be able to use WhatsApp services anymore.