philips dvd hts6510.can i change it to multiregion ?

Answer 1

This is a link to a page that shows hacks for changing the region http://www.videohelp.com/dvdhacks.php?dvdplayer=PhilipsHTS+6510&hits=50
As you can see there is not a hack posted for your medel at the moment, keep looking the first two posted for mine didn't work. Number three did.