Try our NEW Connectivity Assistant feature using the “Connectivity Test” button! Opensignal is a free to use, advert free mobile connectivity and network signal speed test app. Connectivity Test & Assistant Experiencing a network issue? Not sure what to do? Try running the new Connectivity Test. If an issue is discovered, the Connectivity Assistant will give you helpful tips on how to address the problem. Speed test for mobile and Wifi internet Opensignal speed tests measure your mobile connectivity and signal strength. Opensignal runs a 5 second download test, 5 second upload test and a ping test to provide a consistently accurate measurement of the internet speed you will likely experience. The speed test runs on common internet CDN servers. The internet speed result is calculated with the middle range of samples. Video playback test Slow video load time? Video buffering? More time waiting than watching? Opensignal’s video test plays a 15 sec video...