65Troubleshooting
The phone cannot be detected by
other devices using Bluetooth
wireless technology
You have not turned the Bluetooth
function on.
Make sure that the visibility is set to
show phone. See To receive an item
on page 51.
I cannot synchronize or transfer data
between my phone and my computer,
when using the USB cable.
The cable or software that came with
your phone has not been properly
installed. Go to
www.sonyericsson.com/support,
to read Getting started guides which
contain detailed installation instructions
and troubleshooting guides.
Error messages
Insert SIM
There is no SIM card in your phone or
you may have inserted it incorrectly.
See Charging the battery on page 8.
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
incorrectly.
Enter the correct PIN or PIN2 and
select Yes. See To insert the SIM card
on page 5.
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 61.
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 61.
No netw. coverage
Your phone is in flight mode. See Flight
mode on page 7.
Your phone is not receiving any radio
signal, or the received signal is too
weak. Contact your network operator
and make sure that the network has
coverage where you are.
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