Troubleshooting
If you are having trouble with your mobile phone, try these troubleshooting
procedures before contacting a service
professional.
While using your phone, the following messages
may appear:
| Message |
Try this to solve the problem: |
| Please insert SIM
card |
Ensure that the SIM card is
installed correctly. |
| Phone lock |
When the phone lock feature is
enabled, you must enter the
password you set for the
phone. |
| Slot 1 Enter PIN/
Slot 2 Enter PIN |
When using the phone for the
first time or when the PIN
requirement is enabled, you
must enter the PIN supplied with
the SIM card. You can disable
this feature by using the PIN
lock menu. |
| Slot 1 Enter PUK/
Slot 2 Enter PUK |
Your SIM card is blocked,
usually as a result of entering
your PIN incorrectly several
times. You must enter the PUK
supplied by your service
provider. |
Your phone displays “Network unavailable” or
“Network error.”
• When you are in areas with weak signals or poor
reception, you may lose reception. Move to
another area and try again.
• You cannot access some options without a
subscription. Contact your service provider for
more details.
You enter a number, but the call is not dialled.
• Ensure that you have pressed [
].
• Ensure that you have accessed the right cellular network.
• Ensure that you have not set call barring for the phone number.
Another caller cannot reach you.
• Ensure that your phone is turned on.
• Ensure that you have accessed the right cellular
network.
• Ensure that you have not set call barring for the
phone number.
Another caller cannot hear you speaking.
• Ensure that you are not covering the built-in
microphone.
• Ensure that the microphone is close to your
mouth.
• If using a headset, ensure that it is properly
connected.
The phone beeps and the battery icon flashes.
Your battery is low. Recharge or replace the battery to
continue using the phone.
The audio quality of the call is poor.
• Ensure that you are not blocking the phone’s
internal antenna.
• When you are in areas with weak signals or poor
reception, you may lose reception. Move to
another area and try again.
You select a contact to call, but the call is not
dialled.
• Ensure that the correct number is stored in the
contact list.
• Re-enter and save the number, if necessary.
The battery does not charge properly or
sometimes the phone turns itself off.
• The battery terminals may be dirty. Wipe both
gold-colored contacts with a clean, soft cloth and
try charging the battery again.
• If the battery will no longer charge completely,
dispose of the old battery properly and replace it
with a new battery.
Your phone is hot to the touch.
When you use several applications at once, your
phone requires more power and may heat up.
This is normal and should not affect your phone’s
lifespan or performance.