Tannoy T303 User Manual

36

Some problems require that you call your service provider, but 
you can correct most problems yourself. Remove the SIM card 
before handing your phone in for repair. Go to 
www.sonyericsson.com/support for more information.

Memory capacity and speed

If you have not restarted the phone for a while, you may 
experience problems with its memory capacity and speed. 
You can restart the phone to improve its capacity.

1

Turn off the phone and remove the battery cover.

2

Remove the phone battery and then put it back in place.

3

Replace the battery cover and turn on the phone.

Master reset

If you experience problems with screen flickering, freezing, 
or navigation problems, you should reset the phone.

•

From standby select 

 > the 

 tab 

> 

 and select an option.

The phone turns itself off

If your phone turns itself off when being transported, something 
in your pocket or bag has activated the on/off key.

•

To turn on the automatic keylock, select 

> the 

 tab > 

 > 

.

 will reset all changes that you have made 

in your phone to default.

 will delete all user data as contacts, messages, 

pictures and sounds in your phone.