For now all you can o is to use an app. I recommend you the RF Signal Tracker this app is an engineering application for doing impromptu hand-held drive-tests with your Android phone. You can monitor the RF and WiFi signal strength for the device as well as the serving cell locations and hotspots, describe a cell site's zone of coverage, identify changes in technology and handover points, and save and playback that data. Hope it help you enjoy :-)
