Master Reset; Error Messages; To Reset The Phone - Sony Ericsson D750i User Manual

Troubleshooting

Master reset

The changes that you have made to settings
and the content that you have added or edited,
will be deleted.
• If you select Reset
you have made to settings will be deleted.
Reset
• If you select
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
2
} Reset settings
3
} Yes
to continue.
4
Enter the phone lock code (0000 or the
new code if you have changed it)
Reset all, content such as melodies and
If you select
pictures that you have downloaded, received or edited
is also deleted.
84
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settings, the changes that
all, in addition to your
General } Master reset.
tab
} Reset all.
or
} OK.

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.
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 in a
way that may prevent connection to the phone
connectors. In that case, contact your network
operator for a new SIM card.
Insert correct SIM card
Possible cause: The phone is set to work only with
certain SIM cards.
Solution: Check if you are using the correct
operator SIM card for your phone.
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5 To insert