unlocked  iphone 5c

hello

nice to be apple user and I hope to help me , before may be one month I have bein buy iPhone 5c from some I don't now him and it's was good price that's way I buy it and it was just phone he said that he don't have the box of the phone and I tell him ok but when I open the phone he show me the phone is locked and I want to shop they said there is no way to open the phone but to contact with you to give me solution to this phone the phone is iPhone 5c I will write down the number.

FCC ID:BCG-E26948

IC:579C-E26948

IMEI: ***

hope to help me to open this phone and change apple id .

Thank you for all .