Sony Ericsson K550 User Manual
Page 82
82
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 network operator 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: Check if 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
PIN blocked
/
PIN2 blocked
Possible cause: You have entered your
PIN or PIN2 code incorrectly three
times in a row.
Solution: To unblock
Codes do not match
Possible cause: The two codes that
you have entered do not match.
If you select
Reset all
, content such
as melodies and pictures that you have
downloaded, received or edited is also
deleted.
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