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Settings and security
Settings and security
Turning Airplane mode on or off
When you enable Airplane (Flight) mode, all wireless radios on Desire U dual sim are
turned off, including the call function, data services, Bluetooth, and Wi‑Fi.
When you disable Airplane mode, the call function is turned back on and the previous
state of Bluetooth and Wi‑Fi is restored.
§ You can manually turn Bluetooth and Wi‑Fi back on after enabling Airplane mode.
§ If USB tethering is turned on, enabling Airplane mode turns it off. You need to
manually turn USB tethering on after you disable Airplane mode.
Do any of the following to turn Airplane mode on or off:
§ Press and hold POWER, and then tap Airplane mode.
§ Slide the Notifications panel open, and then tap
On/Off switch to turn it on or off.
When enabled, the Airplane mode icon
Changing display settings
Adjusting the screen brightness manually
1. Slide the Notifications panel open, and then tap
2. Tap Display, gestures & buttons (or Display & buttons) and then tap Brightness.
3. Clear the Automatic brightness option.
4. Drag the brightness slider to the left to decrease or to the right to increase the
screen brightness.
Adjusting the time before the screen turns off
After a period of inactivity, the screen turns off to conserve battery power. You can
set the idle time before the screen turns off.
1. Slide the Notifications panel open, and then tap
2. Tap Display, gestures & buttons (or Display & buttons) and then tap Sleep.
3. Tap the time before the screen turns off.
. Tap the Airplane mode
is displayed in the status bar.
.
.
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