59
troubleshooting
D
R
A
F
T
keypad does not
respond
Question:
My display is dark and the keypad
doesn’t respond. Why not?
Answer:
The keypad could be automatically
locked. To check this, please unlock your
keypad by pressing
M
and
*
.
If you would like to disable the feature, please
go to
M
>
Settings
>
Security
>
Auto Key Lock
, to
disable the auto keypad lock function or
change the timers associated with it. If you
disable this feature, you can still manually lock
and unlock the keypad by pressing
M
and
*
.
no signal or no service
Question:
Why can’t I make a call? I always
see “no signal.”
Answer:
Make sure the “Band Setting” is set
to 900/1800 MHz* or 850/1900 MHz*.
Find it:
Press
M
>
Settings
>
Network
>
Band
Selection
>
900/1800
or
850/1900
*Band setting is dependent upon Region.
screen flickers while
taking a picture (for
W375 only)
Question:
Why does the screen flicker when
I take a picture with my camera?
Answer:
You might need to select an
alternative frequency for the
Flicker
setting. For
example, if the
Flicker
setting is currently 50Hz,
switch to 60Hz, and then try again to take a
picture.
Find it:
Press
M
>
Multimedia
>
Camera
>
M
>
Picture Setup
>
Flicker
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