Sony Ericsson K790, User Manual

Page: 81 / 95

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81 Troubleshooting
If you select Reset Settings , the
changes that you have made to
settings will be deleted.
If you select Reset All , in addition to
your changes to settings, all contacts,
messages, personal data, and content
that you have downloaded, received
or edited will also be deleted.
To reset the phone
1
}
Settings
}
the General tab
}
Master
Reset .
2
}
Reset Settings or
}
Reset All .
3 When instructions appear
}
Continue .
Error messages
Insert SIM.
Possible cause : There is no SIM card
in the phone or you may have inserted
it incorrectly.
Solution : Insert a SIM card
%
5 To insert SIM card and battery .
Possible cause : The SIM card
connectors need cleaning.
Solution : Remove the SIM card and
clean it. Also check that the card is
not damaged so that you cannot
connect it to the phone connectors.
In that case, contact your service
provider to ask for a new SIM card.
Insert correct SIM card.
Possible cause : The phone is set to
only work with certain SIM cards.
Solution : Verify whether you are using
the correct operator SIM card for your
phone.
Wrong PIN. / Wrong PIN2.
Possible cause : You have entered
your PIN or PIN2 incorrectly.
Solution : Enter the correct PIN or
PIN2
}
Yes
%
75 SIM Card Lock .
PIN Blocked / PIN2 blocked.
Possible cause : You have entered
your PIN or PIN2 code incorrectly
three times in a row.
Solution : To unblock
%
75 SIM Card
Lock .
Codes do not match.
Possible cause : The two codes that
you have entered do not match.
Solution : When you want to change
a security code (for example your PIN)
you have to confirm the new code by
entering exactly the same code again.
%
75 SIM Card Lock .
If you select Reset All , content such
as melodies and pictures that you have
downloaded, received or edited is also
deleted.