Nearly all smartphones have at least three wireless technologies: 3g or 4g, wifi and bluetooth.
the Aalto university developed the online research to measure internet connection speed accurately was the use of wifi or mobile connection.
the Best: Record your measurements on the map, where you can easily compare different operators speeds from virtually anywhere.
the online research for Android, ios, Windows Phone, Meego, for symbian, Jolla, black perry.
Your home wifi base station sends a signal to a specific channel on which phones and computers are automatically adjusted.
Everything should be status in the best possible way, but not always.