2.Select the timing for the backlight to turn on and off when your smartphone is running on battery power.
3.Tap the External Power tab. Select the timing of the back- light to turn on or off when your smartphone is running on external power.
4.Tap the Backlight Level tab. Adjust the backlight brightness level and automatic level selection options.
5.Tap OK to confirm and save.
Tip: Backlight settings greatly affect battery life. Configure these set- tings carefully to ensure that you get the most out of your battery.
Managing system certificates
System certificates are used to positively identify your smart- phone to other systems.
Tap Start > Settings > System > Certificates to view all certificates.
Setting the date and time
To set the date and time, tap Start > Set- tings > Clock & Alarms > Time tab.
Select your time zone from the
Tap OK when you have finished.
Setting alarms
1.Tap Start > Settings > Clock & Alarms > Alarms tab.
2.Tap the checkbox to activate an alarm.
3.Tap Description and enter a name for the alarm.
