LG C900 - Manual (Page 30)

Navigating Windows Phone
26
Adjust display brightness
To adjust the brightness in the setting menu,
1 On Start screen, tap the arrow or swipe
from right to left to go to application.
2 Tap Settings > System > brightness.
3 Drag the Automatically Adjust slider to
get the desired brightness level.
NOTE: The brightness level of the display will
affect how quickly the device consumes battery
power.
Lock your SIM card
You can lock your device by activating the PIN
supplied with your SIM card.
1 On Start screen, tap the arrow or swipe
from right to left to go to application.
2 Tap Settings and scroll to the right to
select application > phone.
3 Drag the SIM security Slider to On.
4 Enter your PIN and select enter.
n NOTES
• Once the PIN lock is enabled, you must enter the
PIN each time you turn on the device.
• If you enter an incorrect PIN too many times,
your SIM card will be blocked. You must enter a
PIN Unlock Key (PUK) to unblock the SIM card.
If you enter the incorrect PUK too many times,
your SIM will be permanently locked and require
replacement.