All phones use an internal battery to provide power to the phone. Some phones feature a keypad to control the phone, while others feature a touchscreen. The best way to conserve battery life is to turn off the phone when it is not in use. Turning off your Samsung mobile phone requires only a few simple steps.
Step 1
Locate the power button on your Samsung phone. The button is often located on the top of phones that feature a touchscreen, or on the keypad of phones that do not.
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Step 2
Press and hold down the power button. The screen will go black.
Step 3
Tap or slide the "Power Off" switch on the touchscreen. The screen will go black when the phone is turned off.