Tips and Tricks
Screen
TO:
Lock the screen
Unlock the screen
DO:
Press the Lock key 
. Unlock is appear on your left softkey area.
Press the Lock key 
or press Unlock on your left softkey area.
Voicemail
TO:
Check voicemail
DO:
Tap and hold the 1 Check voicemail key 
You might need to reactivate the backlight to enter information or change the setting, such as entering a passcode for a conference call or changing to speakerphone mode. When the backlight turns off after the time you set, you can press any button or tap the screen to turn the backlight back on. If you want to adjust the backlight timeout, tap Start > Setting > System tab > Backlight, and select an item from the dropdown list.
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