Samsung SGH-D415MSATMB - Manual (Page 156)

Solving Problems
153
The audio quality of the call is poor
●
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.
No number is dialed when you recall a Phone
Book entry
●
Check that the number has been stored correctly, by using
the Phone Book Search feature.
●
Re-store the number, if necessary.
If the above guidelines do not help you to solve the problem,
take 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.