New Delhi, July 23 -- Most of us have at least one old phone lying around, tucked away in a drawer and long forgotten. It might be outdated, slow or have a cracked screen, but it still has a working camera and Wi-Fi. That's all you really need to turn it into a home security camera!

No need to buy an expensive CCTV or smart cam. Just a few simple steps, and your unused phone is suddenly doing something useful again, keeping an eye on things for you when you're not around.

How to convert your old smartphone into a CCTV camera

Step 1: Download the right security camera app

The first step of the DIY process is to download a security camera app on your old phone. The most popular and easy-to-use app for this setup is 'Alfred Camera'. It's...