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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
on my handset
entered incorrectly 10 times and
the handset has been security
disabled
A key on the keypad is
Key lock on
not working
Screensaver or power save
mode is active
Poor display
Low temperature
Can't connect to
Weak signal
network
Invalid SIM card
Network not allowed
Not in your home country
Not in a country supporting the
phone's frequency range
Network selection is set to
manual mode.
Can't make/receive
Weak signal
calls
Phone is switched off
Battery is low
Check the number
Call key not pressed
Possible corrective action
Remove the SIM and insert the correct network SIM.
Sendo cannot supply your NCK code.
Warning: If you enter the wrong NCK code you could
block the phone.
Contact your service provider for advice. Note: The
number of incorrect entries depends on your service
provider.
The keypad may be locked. Check the screen for the
γ
symbol. Press
to unlock the keypad.
χ
Press
to return to normal display.
Move to a warmer place and let the phone warm up.
You may be in an area of poor coverage. Move to an
area with a better signal.
Contact your service provider.
Try reselecting the network. Switch off and then back
on.
Roaming may not be supported. Contact your
service provider for details.
Contact your service provider for details.
Change to automatic mode. See the Network sel.
(select) section of the Services chapter for details.
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.
δ
Press
for a few seconds.
Phone can power down if the battery is very low.
Charge the battery.
Use the full area code and country code in the
number.
After dialling the number you must press
43
*
and
in quick succession
γ
Call
,
14
.
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