Sony Ericsson W900 User Manual page 80

If you select Reset
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
} Master
reset.
2 } Reset settings
3 When instructions appear
If you select
Reset all
melodies and pictures that you have
downloaded, received or edited is also
deleted.
Error messages
Insert SIM
Possible cause:
in the phone or you may have inserted
it incorrectly.
Solution:
Insert a SIM card
% 5 To insert SIM card and battery
Possible cause:
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.
80 Troubleshooting
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all, in addition to
General tab
} Reset
or all.
}
Continue.
, content such as
There is no SIM card
The SIM card
Insert correct SIM card
Possible cause:
work only with certain SIM cards.
Solution:
correct operator SIM card for your
phone.
Wrong PIN/Wrong PIN2
Possible cause:
PIN or PIN2 incorrectly.
Solution:
% 74 SIM card lock
} Yes
PIN blocked/PIN2 blocked
Possible cause:
PIN or PIN2 code incorrectly three times
in a row.
Solution:
lock .
Codes do not match
Possible cause:
. you have entered do not match.
Solution:
a security code (for example your PIN)
you have to confirm the new code by
entering exactly the same code again.
% 74 SIM card lock.
The phone is set to
Check if you are using the
You have entered your
Enter the correct PIN or PIN2
.
You have entered your
% 74 SIM card
To unblock
The two codes that
When you want to change