We may have come a long way when it comes to mobile devices, changing or improving almost every aspect of smartphones. However, one constant that remains is the traditional SIM card. While we’ve shrunk the size of the SIM card all the way down to “Nano,” the way SIM cards function has remained more or less the same. With dual SIM devices now hitting the market, keeping track of your SIM card can sometimes be a nightmare.

If you are using a SIM card that was given to you by your family member and you want to replace or upgrade it, you will need the name and details of the original owner of the SIM card. Previously, the only way to do this was to contact the network provider, which sometimes also required a legal request.

How to use dual SIM cards on a Galaxy S7 or S7 Edge with a single SIM card

However, thanks to the ingenious apps at our disposal, you can bypass all of this and get the details of any SIM card owner in just a few taps. All you need is the SIM card itself and the official app of the SIM card’s network provider installed on your phone. For the purpose of this guide, we’ve used Vodafone to show you how to find out not only the name of the SIM card owner, but also their address details.