Galaxy Core: How Do I turn on the device on and off?

Last Update Date : Mar 22. 2018

Turning the Device On and Off

When turning on the device for the first time, follow the on-screen instructions to set up your device.

Press and hold the Power button for a few seconds to turn on the device.



• Follow all posted warnings and directions from authorized personnel in areas where the use of wireless devices is restricted, such as airplanes and hospitals.

• Press and hold the Power button and tap Flight mode to disable the wireless features.

To turn off the device, press and hold the Power button, and then tap Power off.

Holding the Device

Do not cover the antenna area with your hands or other objects. This may cause connectivity problems or drain the battery.

Locking and Unlocking the Device

When not in use, lock the device to prevent unwanted operation. Pressing the Power button turns off the screen and puts the device into lock mode. The device is automatically locked if it is not used for a specified period.

To unlock the device, press the Power button or the Home button and flick your finger in any direction within the unlock screen area at the lower part of the screen.

Adjusting the Volume

Press the Volume button up or down to adjust the ringtone volume, or to adjust the sound volume when playing music or video.

Switching to Silent Mode

Use one of the following methods:

• Press and hold the Volume button down until it switches to silent mode.

• Press and hold the Power button, and then tap Mute or Vibrate.

• Open the notifications panel at the top of the screen, and then tap Sound or Vibrate.


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