Sometimes, you not only want to silence the phone, but we partially disconnect: we do not want nor receive any calls or SMS, or email, but we want to take advantage of podernos installed apps such as calendar, calculator or any other.
To this, and to save battery life is what it is for on / off airplane mode. With the active flight mode, we will not even call coverage or GPS, WiFi or even Bluetooth, although we will have all the features of the phone that do not involve these connections.
To enable / disable Airplane mode:
1. Hold down the power button until a menu appears
2. Select airplane mode
For phones with Android 4.X:
1. We enter settings
2. Select More ...
3.- wireless networks and connections activate Airplane Mode