Samsung SM-G9287C - Turning the Device On and Off

Basics
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Using dual SIM or USIM cards (dual SIM models)
If you insert two SIM or USIM cards, you can have two phone numbers or service providers for
a single device.
Activating SIM or USIM cards
On the Home screen, tap Apps
→
Settings
→
SIM card manager . Select a SIM or USIM card
and tap the switch to activate it.
Changing the display name and icon of SIM or USIM cards
On the Home screen, tap Apps
→
Settings
→
SIM card manager . Select a SIM or USIM card,
tap
Name or Icon . Set a display name and icon for each card.
Switching between cards
When two SIM or USIM cards are activated, card selection icons appear on the dashboard of
the notification panel. Open the notification panel and then select a card.
Turning the device on and off
Press and hold the Power key for a few seconds to turn on the device.
When you turn on your device for the first time or after performing a data reset, follow the on-
screen instructions to set up your device.
To turn off the device, press and hold the Power key, and then tap
Power off .
•
If your device is frozen and unresponsive, press and hold the Power key and the
Volume key down simultaneously for more than 7 seconds to restart it.
•
Follow all posted warnings and directions from authorised personnel in areas
where the use of wireless devices is restricted, such as aeroplanes and hospitals.