Basics
22
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 Down key simultaneously for more than 7 seconds to restart it.
•
Follow all posted warnings and directions from authorized personnel in areas
where the use of wireless devices is restricted, such as airplanes and hospitals.
Emergency mode
You can switch the device to emergency mode to reduce battery consumption. Some apps
and functions will be restricted. In emergency mode, you can make an emergency call, send
your current location information to others, sound an emergency alarm, and more.
Activating emergency mode
To activate emergency mode, press and hold the Power key, and then tap
Emergency mode
.
The usage time left shows the time remaining before the battery power runs
out. Usage time left may vary depending on your device settings and operating
conditions.
Deactivating emergency mode
To deactivate emergency mode, tap
→
Turn off Emergency mode
. Alternatively, press and
hold the Power key, and then tap
Emergency mode
.
