IPHONE 4 16GB BLOCKED MINT CONDITION MUST GO! !

BLOCKED IPHONE 4 16GB. PHONE IS IN MINT CONDITION. THE PHONE IS BLOCKED AS I BOUGHT FROM GUMTREE 1 WEEK AGO FOR 250 UNDER THE IMPRESSION IT WAS UNBLOCKED. BUT IT IS OF NO USE TO ME AS I HAVE AN IPOD. ALL APPS ETC WORK PERFECTLY. ONLY MESSAGES AND CALLS DONT WORK. DONT TRY TELL ME YOU WANT ME TO SEND TO NIGERIA AS A GIFT COS I KNOW ITS A SCAM! SERIOUS BUYERS ONLY!