In case you missed it: WhatsApp has recently rolled out a couple of features. One of those is the ability to add contacts by scanning a QR code. Here’s a step by step guide on how to add a contact on WhatsApp via QR code.
Step 1. Open WhatsApp’s Mobile app – either Android or iOS
Step 2. Go to WhatsApp Settings by tapping on the three dots at the top right corner and then choose Settings
Step 3. Here you will see a QR Code symbol on the right side of your profile picture and username. Tap on the symbol
Step 4. You will see two tabs: My QR Code and Scan Code. Tap on the Scan Code tab.
Step 5. Tell your buddy to go to the QR section of their app and reveal their QR code in the My Code tab. Scan it. Voila, you just added your first WhatsApp contact via QR Code.