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Problem
Possible cause
"NCK Code" is
The handset is locked to a
displayed on my
network and a SIM from another
handset
network has been placed in the
phone
"Blocked" is displayed
The NCK code has been entered
on my handset
incorrectly 10 times and the
handset has been security
disabled
There's a problem with
Corrupt file
my downloaded
Incompatible format
ringtone, picture,
Copy protected content
game or application
A key on the keypad is
Key lock on
not working
Poor display
Low temperature
Incorrect contrast setting.
Wallpaper settings
Can't connect to
Weak signal
network
Invalid SIM card
Network not allowed
Can't make/receive
Weak signal
calls
Phone is switched off
Battery is low
Possible corrective action
Remove the SIM and insert the correct network SIM.
Sendo cannot supply your NCK code.
If you wish to obtain your NCK code, contact the
original network service provider the phone was
purchased for use on.
!
Warning:
If you enter the wrong NCK code you
could block the phone.
Contact your network service provider for advice.
>
Note:
The number of incorrect entries depends on
your network service provider.
Contact your content provider for advice.
The keypad may be locked. Check the screen for the
symbol. Press g and * in quick succession to
unlock the keypad.
Move to a warmer place and let the phone warm up.
You may have an incorrect contrast setting for the
display. Change the setting as needed.
φ
g Menu Settings Display
Find it:
LCD contrast
If you've added your own wallpaper, check that the
colours do not clash with the text colours used on
screen as this could make it difficult to read.
You may be in an area of poor coverage. Move to an
area with a better signal.
Try switching your phone off and then back on.
Try changing your network settings. See the
Network sel. (selection) section on Page 58 for
details.
You may need to contact your network service
provider for advice.
Try reselecting the network. Switch off and then back
on. If you are using your phone abroad, you may be
restricted from certain networks - contact your network
service provider for information.
Check that the service provider name is displayed on
the screen. If not, try to reconnect to the network or
move to an area with a better signal.
d
Press
for a few seconds.
Phone can power down if the battery is very low.
Charge the battery.
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