Samsung SGH-E490 User Manual

Also see for SGH-E490: Service manual

Solve problems99• You are trying to access an option for whichyou have no subscription with your serviceprovider. Contact the service provider forfurther details.You have entered a number but it was notdialled• Be sure that you have pressed [ ].• Be sure that you have accessed the rightcellular network.• Be sure that you have not set an outgoingcall barring option.Your correspondent cannot reach you• Be sure that your phone is switched on.([ ] pressed for more than one second.)• Be sure that you have accessed the rightcellular network.• Be sure that you have not set an incomingcall barring option.Your correspondent cannot hear youspeaking• Be sure that he microphone is switched on.• Be sure that you are holding the phone closeenough to your mouth. The microphone islocated at the bottom of the phone.The phone starts beeping and “Lowbattery” flashes on the display• Your battery is insufficiently charged.Recharge the battery.The audio quality of the call is poor• Check the signal strength indicator on thedisplay ( ). The number of bars indicatesthe signal strength from strong ( ) toweak ( ).• Try moving the phone slightly or movingcloser to a window if you are in a building.