Blackberry 9900 want to trade for iphone 4s ++$$ *

Hello i would like to trade/swap my blackberry 9900 for iphone 4s , for T-mobile + some cash please let me know what you have .. the blackberry is unlocked and excellent shape .comes with charger leather holster .. iphone will be checked and i.d checked to make sure it is not blocked .. no timewasters Apple Iphone 4s 16GB black Vodafone network can be unlocked Comes as new boxed complete with all accessories. Buy from a trusted seller Can meet for collection samsung galaxy y black in perpect condition- on all networks pick up only cant deliver get in touch via email or phone call dnt txt i wont reply GOT NO BOX WITH IT EXCELLENT SMART PHONE, ON O2 NETWORK EASY TO UNLOCK. COMES WITH O2 SIM CARD AND 5 CREDIT. COMES IN ORIGINAL BOX WITH USB CABLE, CHARGER, HEADPHONES AND MANUAL. OFFERS CLOSE TO ASKING PRICE PLEASE. I HAVE FOR SALE MY IPHONE 3GS WHICH IS IN VERY GOOD CONDITION. ONLY REASON FOR SELLING IS BECAUSE I HAVE CHANGED TO A NEW WINDOWS MOBILE PHONE. THE PHONE COMES WITH A BOX AND CHARGER AND USB CABLE. THE PHONE IS CURRENTLY ON VODAFONE NETWORK AND I ASSUME IT IS LOCKED TO VODAFONE SINCE NEVER TRIED WITH ANOTHER SIM SINCE ONLY EVER BEEN WITH VODAFONE. Please call 07801700262