Section 15: troubleshooting, General problems – Samsung SGH-I627MAAATT User Manual
Page 116
Troubleshooting 113
Section 15: Troubleshooting
Review the following problems and descriptions to assist in
troubleshooting your device.
General Problems
To perform a manual Hard Reset, power off the device.
Important!: Caution, if you perform a manual Hard Reset, the storage and
setting is also initialized.
Problem
Solution Description
“Invalid or missing SIM card.
You can still make
emergency calls if your
service provider supports it”
displays
Check that the SIM card was correctly
installed.
“No network coverage,”
“Error unable to connect. No
network coverage.” or
“Message sending failed”
displays
•
The network connection was lost.
You may be in a weak signal area
(in a tunnel or surrounded by
buildings).
Move and try again.
•
You are trying to access an option
without a subscription. Contact the
service provider for further details.
The bars next to
disappear
•
If you just turned on your phone,
wait for about 2 minutes, until your
phone finds the network and
receives a signal from the network.
•
If you are in a tunnel or in an
elevator, the phone may not be
able to receive the network signal
properly. Move to an open place.
•
This may display when you move
between different service areas. It
is normal.
The display is not clear
In direct sunlight, you may not be able to
see the display clearly. Moving to a place
with different lighting should solve this
problem.
White lines display on the
screen
This may happen if you turn on the phone
after a long period of disuse, or after
removing the battery without turning off
the phone. This is not related to the
phone’s life or performance. The display
should correct itself shortly.
Problem
Solution Description