If the application is installed automatically in your mobile when the internet is turned off, then the reason is virus.
How to remove that virus or how to remove any such problem, you get the information in this application.
This application gives you information about your mobile and if there is any problem then how to fix it, it also tells here.
Here you get the lowest size of the application and you can run it without internet.
This application is made only for the purpose of helping people and here you will get to read in simple Hindi.