Sony Ericsson C905 Cell Phone User Manual

Where can I find the regulatory
information such as my IMEI number
if I cannot turn on my phone?
Error Messages
Insert SIM
There is no SIM card in your phone or
you may have inserted it incorrectly.
See To insert the SIM card on page 6.
The SIM card connectors need
cleaning. If the card is damaged,
contact your network operator.
Insert correct SIM card
Your phone is set to work only with
certain SIM cards. Check if you are
using the correct operator SIM card.
Wrong PIN/Wrong PIN2
You have entered your PIN or PIN2
Enter the correct PIN or PIN2 and
select Yes.
PIN blocked/PIN2 blocked
You have entered your PIN or PIN2
code incorrectly three times in a row.
To unblock, see SIM card lock on
page 65.
Codes do not match
Codes that you have entered do not
match. When you want to change a
security code, for example your PIN,
you have to confirm the new code. See
SIM card lock on page 65.
No net. coverage
Your phone is in flight mode. See Flight
mode on page 59.
Your phone is not receiving any
network signal, or the received signal is
too weak. Contact your network
70 Troubleshooting
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