How to Disable Auto Lock on Galaxy S4
When the screen of your Android device turns off, the Auto Lock feature is enabled and your device locks automatically. Other than disabling the ...
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How to Turn On Airplane Mode on Galaxy Series
Sometime we need to turn off all device communications at once, like when we are in an airplane.
To do this, go to Settings > Wireless and networks, and check Airplane Mode.
You can also do this much easier via pressing and holding the power button and tap on the Airplane Mode button, if you have a Samsung Galaxy series smartphone (or tablet).
After that, all device communications, such as Bluetooth, WIFI, EDGE, Phone Calls ... are disabled.
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