Просматривайте скорость вашего интернета в строке состояния и управляйте использованием данных
Network Speed Indicator : internet speed meter in status bar android mobile.
Best apps to display internet speed in status bar.
There are several ways to show internet speeds in the Android status bar.
It is an important speed and usage monitor application. Internet Speed Meter Lite displays the internet speed in the status bar and shows more metrics in the notification panel. The user can see the connection speed anytime while using any app.
Check the speed of your internet with a trusted speed test.