I was attemping to unlock somebody's iPhone until I noticed something. The side buttons and sleep/wake button was black. There was no serial number on the back, but there was a model number and FCC IDD with two Xs. I remember the model number which was A12XX. There was also no WiFi and Bluetooth. What could this be? I told him that I was going to contact him after I have more details. Is this a prototype? Fake iPhone?