TIP! To return to a recent application, press and hold the Menu Key 
. The screen then displays a list of applications you have recently used.
10. Unlock the Screen
Your screen will go dark if untouched for a period of time when using a data connection. To turn on your screen, press the Power/Lock Key 
.
11. Hold the Phone Straight Up
Please hold the mobile phone straight up as a regular phone.
While making/receiving calls or sending/receiving data, try to avoid holding the lower part of the phone where the antenna is located. It may affect call quality.
12. When the Screen Freezes
If the phone does not respond to user input or the screen freezes: Remove the battery, reinsert it, then turn the phone on.
OR
Press and hold the Power/Lock Key 
for 10 seconds to turn it off. If it still does not work, please contact the service center.
13.Do Not Connect Your Phone When You Power On/ Off Your PC
Make sure to disconnect your phone from the PC when powering your PC on or off as it might result in PC errors.
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