To lock the keypad manually From standby, you can press 
}Lock keys to lock the keypad manually. You can still answer an incoming call and the keypad locks again after the call. The keypad remains locked until you unlock it manually.
To unlock the keypad manually From standby, press 
} Unlock.
Start-up screen
Select a
To select a
}
Brightness
Adjust the brightness of the screen.
To set the brightness
Troubleshooting
Why doesn’t the phone work the way I want it to?
This chapter lists some problems that you might encounter when using your phone. Some problems require you to call your network operator, but you can easily correct most of the problems yourself.
However, if you need to take your phone in for repair, please note that you may lose information and content that you have saved in your phone. You are advised to make a copy of such information before taking your phone in for repair.
For more support go to www.sonyericsson.com/support.
I have problems with memory capacity or the phone is working slowly
Possible cause: The phone memory is full or the memory contents are not properly organized.
Solution: Restart your phone every day to free memory and increase the capacity of your phone.
86Troubleshooting
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