Samsung SGH-i550W Cell Phone User Manual


 
Troubleshooting
100
Your display shows white lines
The display may show white lines if you
have turned the device on after a long
period of disuse or if you removed the
battery without first turning off the
device. The display should correct itself in
a short time.
You enter a number, but the call is
not dialled
Ensure that you have pressed [ ].
Ensure that you have accessed the
right cellular network.
Ensure that you have not set call
barring for the phone number.
You select a contact to call, but the
call is not dialled
Ensure that the correct number is
stored in the contact information.
Re-enter and save the number, if
necessary.
Another caller cannot hear you
speaking
Ensure that you are not blocking the
built-in microphone.
Move the built-in microphone closer to
your mouth.
If using a headset, ensure that it is
properly connected.
The sound quality of a call is poor
Ensure that you are not blocking the
internal antenna on top of the device.
When you are in areas with weak
signals, you may lose reception. Move
to another area and try again.