82
Troubleshooting
Draft for Sony Ericsson Internal Use Only - Z712a PA1
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
%
77 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
%
77 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.
%
77 SIM card lock.
If you select
Reset All
, content such as
melodies and pictures that you have
downloaded, received or edited is also
deleted.