unlocking samsung galaxy prevail 2

greetings:

i have a sumsung galaxy prevail 2 from boost mobile. and want to know how do i unlock this phone.?

it is cdma from sprint i believe, can't find a decent answer on the net. thanks, tony

via Forums de téléphone cellulaire (en français) http://cellphoneforums.net/fr/boost-mobile/t364171-unlocking-samsung-galaxy-prevail-2.html