Do you want to make your private conversations in WhatsApp more secure? Have you ever wanted to lock your WhatsApp conversations behind a password? If so, there’s a way to actually lock your WhatsApp behind Face ID or Touch ID to add a second layer of security to your data. Maybe someone thought it is not necessary since you can lock your device since Face ID and Touch ID are required to unlock your device anyway. But, what if you’re passing your iPhone to a friend for taking and sharing pictures or anything else? This is exactly where WhatsApp’s screen lock feature comes to the rescue. Just read on to follow the steps to lock down WhatsApp on your iPhone and make a safe backup for your conversation in a professional way.