User's Manual

Safety & Precaution 25
• Do not use harsh chemicals, cleaning solvents, or strong
detergents to clean the device.
• Do not paint the device. Paint can clog the moving parts
and prevent proper operation.
• Use a soft, clean, dry cloth to clean any lenses (such as
camera, proximity sensor, and light sensor lenses)
• Use only the supplied or an approved replacement
antenna. Unauthorized antennas, modifications, or
attachments could damage the device and may violate
regulations governing radio devices.
• Use charges indoors.
• Always create a backup of data you want to keep (such
as contacts and calendar notes) before sending your
device to a service facility. All of the above suggestions
apply equally to your device, battery, charger, or any
enhancement. If any device is not working properly, take it
to the nearest authorized service facility for service.
Trouble Shooting
Your phone displays “Call not allowed” or “No
service.”
• When you are in an area 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 dialed.
• Ensure that you have pressed the Dial key.
• 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