How to install 2 WhatsApp accounts in 1 Android smartphone? How do I find an excellent solution to use 2 WhatsApp in dual sim phone that actually works?” How to use two WhatsApp accounts on one phone? How to run multiple or dual WhatsApp apps in one single phone? In this tutorial, we have shared various techniques that allow mobile users to run. WhatsApp does not allow its app users to configure more than one WhatsApp account on their mobile phones. The multi-user feature is available in the Android’s Lollipop and later versions, as well as some custom versions, in some custom ROMs.
Source: https://thehackernews.com/2015/04/multiple-whatsapp-accounts.html