Signal Booster 2G/3G/LTE - 4G

The best signal booster ever created. Increases the 2G, 3G or 4G net recognition up to 120-150%. Unseen results, undoubtely the ultimate signal strength for making phone calls or surfing the internet. Testing the app in a cave a phone call has been made at a depth of 27 meters. After signal boost using the app a qualitive call has been made at a depth over 50 meters. In the same cave at a depht 20 m the download speed using 4G was 4 mb/s and after activating the app- 12 mb/s. This app is safe and would not damage your device's hardware. Why do you need this app?- You're online and you can surf the internet at more places. - Because on one phone call can depend a lot of money.- Because on one phone call can depend a life.