Ok, here's the scenario.. My wife's Gold iPhone 6s Plus (purchased full price from Apple, SIM unlocked) became suddenly, magically, activation locked to some random iCloud account -- and SIM locked to a Chinese carrier a day AFTER I logged out of iCloud, turned off Activation Lock, and reset all content and settings. I called Apple, they asked that I provide them with a copy of the purchase receipt (which I did), and they are investigating. But, for the life of me, I can't figure out how my wife's old unlocked and activation unlocked iPhone 6s Plus suddenly became activation locked to some unknown iCloud account -- and, according to Apple, became SIM LOCKED to a Chinese mobile carrier. The phone never left my possession, and no one touched it (but me) after I reset it. Has this happened before? Apple seems to think this is a novel situation, but, anyone have any idea on how this could have happened?