147
148
Make sure charging is carried out under normal conditions (0°C to
•
+40°C).
When abroad, check that the voltage input is compatible.
•
My phone cannot connect to a network or “No service” is
displayed
Try connecting in another location.
•
Verify the network coverage with your operator.
•
Check with your operator that your SIM card is valid.
•
Try selecting the available network(s) manually (see “
•
11.1.8 Mobile
networks
”)
Try connecting at a later time if the network is overloaded.
•
My phone cannot connect to the Internet
Check that the IMEI number (press *#06#) is the same as the one
•
printed on your warranty card or box.
Make sure that the internet access service of your SIM card is available.
•
Check your phone's Internet connecting settings.
•
Make sure you are in a place with network coverage.
•
Try connecting at a later time or another location.
•
Invalid SIM card
Make sure the SIM card has been correctly inserted (see “Inserting or
•
removing the SIM card”).
Make sure the chip on your SIM card is not damaged or scratched.
•
Make sure the service of your SIM card is available.
•
Unable to make outgoing calls
Make sure you have dialed a valid number and have touched
•
.
For international calls, check the country and area codes.
•
Make sure your phone is connected to a network, and the network is
•
not overloaded or unavailable.
Check your subscription status with your operator (credit, SIM card
•
valid, etc.).
Make sure you have not barred outgoing calls.
•
Make sure that your phone is not in flight mode.
•
Unable to receive incoming calls
Make sure your phone is switched on and connected to a network
•
(check for overloaded or unavailable network).
Check your subscription status with your operator (credit, SIM card
•
valid, etc.).
Make sure you have not forwarded incoming calls.
•
Make sure that you have not barred certain calls.
•
Make sure that your phone is not in flight mode.
•
The caller’s name/number does not appear when a call is
received
Check that you have subscribed to this service with your operator.
•
Your caller has concealed his/her name or number.
•
I cannot find my contacts
Make sure your SIM card is not broken.
•
Make sure your SIM card is inserted properly.
•
Import all contacts stored in SIM card to phone.
•
The sound quality of the calls is poor
You can adjust the volume during a call by pressing the
•
Volume Up/
Down
key.
Check the network strength
•
.
Make sure that the receiver, connector or speaker on your phone is
•
clean.
I am unable to use the features described in the manual
Check with your operator to make sure that your subscription includes
•
this service.
Make sure this feature does not require an Panasonic P51 accessory.
•
When I select a number from my contacts, the number cannot
be dialed
Make sure that you have correctly recorded the number in your file.
•
Make sure that you have selected the country prefix when calling a
•
foreign country.