Sony Ericsson D750i - Manual (Page 84)

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84
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 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 } Yes to continue.
4 Enter the phone lock code (0000 or the
new code if you have changed it)
} 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.
% 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 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.
If you select Reset all , content such as melodies and
pictures that you have downloaded, received or edited
is also deleted.