Samsung S500 ユーザーズマニュアル

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• The network connection was lost. You may be in a 

weak reception area (in a tunnel or surrounded 
by buildings). Move and try again.

• You are trying to access an option for which you 

have not taken out a subscription with your 
service provider. Contact the service provider for 
further details.

• Have you pressed the 

 key?

• Are you accessing the right cellular network?
• You may have set an outgoing call barring option.

• Is your phone switched on (the 

 key pressed 

for more than one second)?

• Are you accessing the right cellular network?
• You may have set an incoming call barring option.

• Have you switched off the microphone (Mute 

appears)?

• Are you holding the phone close enough to your 

mouth? The microphone is located at the bottom 
of the phone.

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The battery is insufficiently charged. Replace the 
battery and recharge it.

• Check the signal strength indicator on the display 

(

); the number of bars indicates the signal 

strength from strong (

) to weak (

).

• Try moving the phone slightly or moving closer to 

a window if you are in a building.

• Check that the number has been stored correctly, 

by using the Phonebook Search feature.

• Re-store them, if necessary.

If the above guidelines do not help you to solve 
the problem, take a note of:

• the model and serial numbers of your phone
• your warranty details
• a clear description of the problem

Then contact your local dealer or Samsung 
after-sales service.