SWAP IPHONE4 FOR BLACKBERRY *

hi i wanna swap my iphone 4 for a blackberry will not be intrested in any old curves the iphones fully working but has got cracked front and back glass not sure how much to fix but have had it now since they came out its been up dated to lastes softwer for the 4 please text me if ur intrested in swaping phone for phone let me no what u got and ill let you no thanks