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Basics
Restarting the device
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.
Volume Down key
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.
Power key
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