Wirelessly posted (Touch Diamond: Opera/9.7 (WindowsMobile; PPC; Opera Mobi/35267; U; en; Presto/2.1.1))

Though flashing a non Bell radio may not be the worst thing for reception.

Re: how do i virginize my diamond (cdma)
 

true. that's good to point out. the OP said he wanted to return it to the way it was when it was first purchased, so was just letting him know that it was not possible if the radio was changed.