ihave a problem with my iphone 4s. i borrow my phone and i have ios 6. The man that give my phone active his icloud account.. when i received my phone i try to update but when i want to activate i need the last account.

ihave a problem with my iphone 4s. i borrow my phone and i have ios 6. The man that give my phone active his icloud account.. when i received my phone i try to update but when i want to activate i need the last account. i cant contact with the mand that i borrow. please i want to revoer my phone please... i have all report that you cant confirm that is not steal or something like that. please help me

i registered my phone in tha page.

Apple could help me???