So this is for those who have opened up/fixed an iPhone 6 or 6 plus. I noticed that inside the 5s/5c, there would be a sticker with the serial number on it. Inside the 6 and 6 plus, there is no such sticker it seems. There is a QR Code and these random numbers but would anyone have any idea where the serial/serial barcode is inside of the 6 and 6 plus? I used to work Genius Bar a while back and was curious.