LG LGD851TN - Manual (Page 12)

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9. When the screen freezes
If the phone does not respond to user input or the screen freezes:
Press and hold the Power/Lock Key for 10 seconds to reboot it.
10. 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.
11. Hardware key control mode
If your phone display is damaged or broken, you can answer an incoming call,
end a call, or turn off an alarm using the hardware keys.
1 Turn your phone off.
2 Press and hold the Power/Lock Key and the Volume Keys at the
same time for more than 6 seconds to enter the Hardware key control
mode.
3 Press the Volume Keys to scroll to the desired option, then press the
Power/Lock Key to confi rm.
•
Answer a call: Press the Volume Keys at the same time.
•
End a call: Press the Power/Lock Key during a call.
•
Stop an alarm: When an alarm rings, press and hold the Volume Up Key
or Volume Down Key to stop the alarm.
NOTE: If you use your phone with a broken display glass, your phone can
break even more or you can be injured. Make sure to visit the LG authorized
service center to get your phone repaired.