SimCard Info is an application that provides you with all the information you need about your SIM card. It is a free app, easy to use, and provides a comprehensive view of your network. 

This application will let you know all the information you need to know about your SIM card. You can find out the number, operator, signal strength, and more. If you need to make a call, you can find out the name of the phone number and the location of the phone. You can also see the status of the network, whether it is connected or not.