User's Manual

the battery before turning on the device.
Calls are not connected
 Ensure that you have accessed the right cellular network.
 Ensure that you have not set call barring for the phone number you are dialling.
 Ensure that you have not set call barring for the incoming phone number.
Others cannot hear you speaking on a call
 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.
Your device displays network or service error messages
 When you are in areas with weak signals or poor reception, you may lose
reception. Move to another area and try again. While moving, error messages
may appear repeatedly.
 You cannot access some options without a subscription. For more information,
contact your service provider.
A cellular network or the Internet is often disconnected or audio
quality is poor
 Ensure that you are not blocking the device’s internal antenna.
 When you are in areas with weak signals or poor reception, you may lose
reception. You may have connectivity problems due to issues with the service
provider’s base station.
 Move to another area and try again.
 When using the device while moving, wireless network services may be disabled
due to issues with the service provider’s network.
When you turn on your device or while you are using the device, it prompts you to
enter one of the following codes:
 Password: When the device lock feature is enabled, you must enter the
password you set for the device.
 PIN: When using the device for the first time or when the PIN requirement is
enabled, you must enter the PIN supplied with the SIM or USIM card. You can
disable this feature by using the Lock SIM card menu.