First I've heard about this, but if you read some of the posts here, evidently it's been going on for quite awhile...
http://forums.macrumors.com/threads...tivation-locked-with-wrong-apple-ids.2004550/
An increasing number of iPhone users are experiencing an Activation Lock issue in which the device is linked to an Apple ID email address that does not belong to them, according to crowdsourced information from MacRumors and Twitter. With the wrong Apple ID being displayed, users cannot sign in
…….
"I work at Best Buy and I've seen many customers reporting this issue. It even happened to a customer I personally sold an iPhone 6s to, and we called Apple and they said the Apple ID on her iPhone was registered to someone in China :S . My customer had to send a picture of her receipt to have this fixed. I really wanna know whats going on. BTW, this happened before the iPhone 7 was released! So I dont think this started recently."
http://forums.macrumors.com/threads...tivation-locked-with-wrong-apple-ids.2004550/
An increasing number of iPhone users are experiencing an Activation Lock issue in which the device is linked to an Apple ID email address that does not belong to them, according to crowdsourced information from MacRumors and Twitter. With the wrong Apple ID being displayed, users cannot sign in
…….
"I work at Best Buy and I've seen many customers reporting this issue. It even happened to a customer I personally sold an iPhone 6s to, and we called Apple and they said the Apple ID on her iPhone was registered to someone in China :S . My customer had to send a picture of her receipt to have this fixed. I really wanna know whats going on. BTW, this happened before the iPhone 7 was released! So I dont think this started recently."