Sony Ericsson Z750i Cell Phone User Manual


 
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 50.
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 7.
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 62.
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 62.
No netw. coverage
Your phone is in flight mode. See
Flight mode on page 6.
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