off the sony ericson web site
i ue this for my w550i but u need a bluetooth gps system frm some where ebay sell them
http://www.wayfinder.com/products/free_trial.en.php
Sony Ericsson D750i, Sony Ericsson K510i, Sony Ericsson K600i, Sony Ericsson K608i, Sony Ericsson K750i, Sony Ericsson M600i, Sony Ericsson P800, Sony Ericsson P900, Sony Ericsson P910i, Sony Ericsson V600i, Sony Ericsson W300i, Sony Ericsson W550i, Sony Ericsson W600i, Sony Ericsson W700i, Sony Ericsson W800i, Sony Ericsson W810i, Sony Ericsson W900i, Sony Ericsson Z520a, Sony Ericsson Z520i, Sony Ericsson Z530i,