If you have a dual-SIM Mobile then you can use dual SIM cards to make calls using separate numbers, and send messages using different numbers. But you know what? You can also set up dual WhatApp accounts in one mobile, Have you ever wondered how to install 2 WhatsApp accounts on one phone. In this process there are a few different methods to do this, and some phone makers are offering this as in-built feature. In other cases, you'll have to install third-party apps, but it's actually easy to run 2 WhatsApp accounts on one Android phone. Sorry all iPhone users, you are out of luck