WhatsApp is the world's most popular chat app, but it can be daunting if you're new. Here's our guide on how to use WhatsApp!

Open WhatsApp on the phone that is presently registered with WhatsApp and scan the QR code and your second smartphone or tablet will give you access to the same WhatsApp.

The good news is that WhatsApp allows users to sync WhatsApp on two different devices with the same number just like it happens on the WhatsApp app for desktop or WhatsApp for Android tablets.

WhatsApp seems to be working on a feature that would let users chat with the same account on multiple phones, or on a phone and a tablet, according to a screen found in a beta version of the app ...