Different network providers work on different mobile frequencies so all you need to do to select the right booster is click on your network operator below.
1. Use your mobile near a window to gain the best signal possible
2. Some mobile providers provide ways for you to call via the internet on you mobile.
3. Turn off 3g capability on your phone as this can increase your signal
4. Make sure your battery is well charged as this will always effect your signal if it is low.