Network speed signal booster is an application that improves the coverage of your phone. With this application you will never have problems with coverage. In areas where the reach of the poor poramia?es', now will be improved by 15-25%. Install the application and enjoy better coverage. Get better signal, faster internet and more clear sound on your phone.You don't have to do anything, just watch, wait and done!Network Signal Speed Booster application giving you better signal,faster internet.