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1 Detach the cover of the SD card slot.
2 Using a fine-tipped pen or other similar tool, press the memory card inwards and
then release it quickly.
3 Draw the memory card outwards and remove it fully.
4 Insert a fingernail, or a sharp object such as a pen, into the hole in the label tray,
then drag the tray outwards to view your IMEI number.
To view the IMEI number, you can also open the phone dialer on your device and enter *#06#.
To view your IMEI number in the device
1 From your Home screen, tap .
2 Find and tap Settings > About phone > Status.
3 Scroll to IMEI to view the IMEI number.
Battery and power management
Your device has an embedded battery. You can keep track of your battery consumption
and see which applications are using the most power. You can remove or restrict apps
and activate a number of power saving modes to get more out of your battery. You can
also view an estimate of how much battery time is left and adjust your battery settings to
improve performance and make your battery last longer.
To manage your battery consumption
1 From your Home screen, tap
.
2 Find and tap Settings > Power management > App power consumption. An
overview appears showing applications that have high data traffic rates or that you
have not used for a long time.
3 Review the information, then act as required, for example, to uninstall an
application or restrict its usage.
To view which applications use the most battery power
1 From your Home screen, tap
.
2 Find and tap Settings > Power management > Battery usage.
To view the estimated battery time
1 From your Home screen, tap
.
2 Find and tap Settings > Power management.
Power saving modes
There are several power saving modes available for you to use if you want to make your
battery last longer.
STAMINA mode Disables Wi-Fi®and mobile data when the screen is turned off, and restricts hardware
performance. appears in the status bar when this mode takes effect.
Ultra STAMINA
mode
Limits your device’s functionality to core tasks such as making phone calls and
sending SMS messages. appears in the status bar once this mode is activated.
Low battery mode Modifies your device’s behavior, for example, to adjust screen brightness and screen
timeout setting, when the battery level drops below a certain percentage. appears
in the status bar when this mode takes effect.
Location-based Wi-
Fi
Sets your device to only activate the Wi-Fi® function when it comes within range of a
saved Wi-Fi® network.
Queue background
data
Optimizes outgoing traffic when the screen is off by sending data at predefined
intervals.
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