Basics18Ultra power saving modeUse this mode to extend the device’s battery power. In ultra power saving mode, the deviceperforms the following:• Displays colours on the screen as grey tones.• Restricts the available apps to essential and selected apps only.• Deactivates the mobile data connection when the screen turns off.• Deactivates the Wi-Fi and Bluetooth features.On the Home screen, tap Apps → Settings → Battery → Ultra power saving mode, andthen tap the switch to activate it.To deactivate ultra power saving mode, tap MORE → Disable Ultra power saving mode.The usage time left shows the time remaining before the battery power runsout. Usage time left may vary depending on your device settings and operatingconditions.Turning the device on and offPress 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.Follow all posted warnings and directions from authorised personnel in areas wherethe use of wireless devices is restricted, such as aeroplanes and hospitals.Restarting the deviceIf your device is frozen and unresponsive, press and hold the Power key and the VolumeDown key simultaneously for more than 7 seconds to restart it.Power keyVolume Down key
