Turning The Device On And Off; Locking And Unlocking The Screen - Sony Xperia M dual C2004 User Manual

To attach the back cover
1
Place the back cover over the back of the device.
2
Press down the sides of the cover until you hear clicking noises.

Turning the device on and off

To turn on the device
1
Press and hold down the power key
2
If your screen goes dark, briefly press the power key
3
To unlock the screen, swipe up or down on the screen.
4 Enter your SIM card PIN when requested, then select OK.
5
Wait a while for the device to start.
Your SIM card PIN is initially supplied by your network operator, but you can change it later
from the Settings menu. To correct a mistake made while entering your SIM card PIN, tap
To turn off the device
1
Press and hold down the power key
2
In the options menu, tap Power off.
3 Tap OK.
It may take a while for the device to shut down.

Locking and unlocking the screen

When your device is on and left idle for a set period of time, the screen darkens to
save battery power and locks automatically. This lock prevents unwanted actions on
the touchscreen when you are not using it. When you buy your device, a basic screen
swipe lock is already set. In other words, you have to swipe up or down on the
screen to unlock it. You can later change the security settings and add other kinds of
Setting a screen lock on page 105.
locks. See
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until the device vibrates.
to activate the screen.
until the options menu opens.
9
.