IIRC Boost is running in the old nextel network, and as such it uses SIM cards. Sprint is fully CDMA (except for iPhones?). Using that logic it doesn't seem possible.
Sprint has since last year discontinued the IDEN network on which Nextel & Boost were running, but they switched all Boost services to their Sprint CDMA network.So it really depends how old your phone is to determine if it can work or not.
samsung array