The Android operating system is an open systems or open source rich in features. Some of which include features that are common in Android phones, like the auto rotation, the brightness sensor, water resistant features or other features such as LTE in the network. Android phones now there have been many who wear the LTE technology, fastest after HSPA network technology often experience a disruption to the network, such as lost network signals on a time switch place, missing a signal on a cell phone while being in a closed room, missing signal by itself, or the signal was lost after changing the card provider. Thus, given the discussion about how to strengthen the signal of this Android phones.
