Step 1: Downloading Terminal Emulator From Playstore
1:Open play store.
2:Type in search box"terminal emulator"
3:Download the app having green icon with android logo. As shown in fig.
Step 2: Finding Your Ip
1:Type "ip" in search box
2:Note down IP address which is shown in top of all websites
Step 3: Typing Command in Terminal Emulator
1:Type " ping "
2:Press " space " button one time
3:Then type IP address that you have already note down .
4:then press enter button
5:page will automatically write commands.
Finally Check your speed before and after command . and tell me in comment box.