can a sony erricsson k510i be unlocked

hi can anyone help my son wants to but a sony erricsson k510i has anyone got one and are they any good i have a nokia 6230i and love it can the sony be unlocked it will be on orange if he buys it can you change memory cards in it to expand the memory can anyone help with this thanx sandaz ps can you put games onto it via infrared or bluetooth thanx

 

hi, what is your imei?

 

my son hasn't got the phone yet was making sure it was an ok phone and cause we are moving from england to ireland soon i was making sure it could be opened up thanx sandaz

 

he bought the phone ime is 35914800-242093-7-03 please can you help me get the code thanx sandaz