This year is Start and Most of Devices Waiting to be Ending WhatsApp Support on Android Mobile Phone Devices. Facebook Owns WhatsApp and WhatsApp Ending support and shutting down on All types of Android Mobile Phones.
WhatsApp told their All Users about these Changes. They Asked their WhatsApp users to update their WhatsApp Software with Latest Updated Versions.
If you want to Continue Used WhatsApp on Your Android Mobile Phones, you should use Your Mobile Phones with Latest Version. WhatsApp End Support
It is Noted That WhatsApp shutting down old Mobile Phones which is using old Software on their Mobile.
According to WhatsApp Management, This was Tough Decision but it was mandatory for their WhatsApp Users.
After 1st February, ShutDown Android Mobile Phone Devices will no Longer Work with WhatsApp.
This is Not a First Time WhatsApp ending support for Android Mobile Phones, they have done it before. Some Years Before, WhatsApp End Support for Nokia Symbion S60 devices on 30th June 2017. After Passing Some Times, WhatsApp End Supports for Blackberry Operating System on 31st December 2017.