I-PHONE 4 16 GB BLACK OPEN TO ANY NETWORK SWAP FOR BLACKBERRY 9900 ?

I-PHONE 4 16 gb IN VGC GOT SCREEN PROTECTOR AND CASE ON IT NO SCRATCHES ITS ON A JUST PAID 70 TO GET IT UNLOCKED GOT RECIPTE TO PROVE THIS LOOKIN TO SWAP FOR BLACKBERRY 9900 PHONE MUST BE ON ORANGE OR OPEN TO ANYNETWORK SWAP FOR BLACKBERRY 9900 I-PHONE 4 IS FOR PICK UP ONLY CALLS OR TEXT ONLY 07837819528