Sony Ericsson C902 Betriebsanweisung

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Troubleshooting

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 turn the 

Bluetooth function on on page 49.

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.

I have forgotten my code memo 
passcode
If you forget your passcode, you must 
reset the code memo. This means 
that all entries in the code memo are 
deleted. The next time you enter the 
code memo, you must proceed as if 
you are opening it for the first time. 

To reset code memo

1

From standby select 

> 

.

2

Enter any passcode to access the code 
memo. The checkword and codes that 
are then shown are incorrect.

3

Select 

.

4

 appears.

5

Select 

Where can I find the regulatory 
information such as my IMEI number 
if I cannot turn on my phone?

Error messages

There is no SIM card in your phone or 
you may have inserted it incorrectly.

See To insert the SIM card on page 5.

The SIM card connectors need 
cleaning. If the card is damaged, 
contact your network operator.