Samsung SGH-I637 User Manual (user Manual) (ver.f7) (English) - Page 119

Troubleshooting, General Problems - import contacts from sim card

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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 Description Solution "Invalid or missing SIM card. Check that the SIM card was correctly You can still make installed. emergency calls if your service provider supports it" displays "No network coverage," • The network connection was lost. "Error unable to connect. No network coverage." or "Message sending failed" displays 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. Troubleshooting 115

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Troubleshooting
115
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
Description Solution
“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.