Due to high levels of cybercrime, the domain investor is removing the sim from the samsung smartphone when it is not being used for long.
When she will connect it, the internet connection is very fast initially for the first time.
If she stops using the connection for some time removing the wifi dongle, and then tries to reconnect, the internet connection is not working
It appears that some script is downloaded on the computer, which will block the internet connection the second time.