iphone 4 for swap galaxy s3 or blackberry 9900 or htc one x with added money ?

Unlucky, i cracked my iphone 4, but all the functions is still good now. i have used idevice for such a long time and now i want to move from iphone ipod ipad all of them. I checked iphonesepcialist.com, it just cost 48 pounds to replace a new screen. I can give you 50 pounds before we swap our iphone for replacement. i want to swap galaxy s3 or htc one x or blackberry 9900. for galaxy s3 and htc one x, i can add some money. text me if u r interesting! everything is flexible.