Serial number
If you show "Sorry, this is the serial number of the replaced product" in the official view, this phone is a refurbished machine, because Apple officials will log the serial number off in the official case once the motherboard has been replaced and repaired.
Last Activation time
IPhone6 New machine activation time is not available if you do not buy a mobile phone activation time that means that the phone has been used, if the warranty is expired to prove that the use of at least a year, because the Apple phone in China free repair is a year.
View Battery usage Time
IPhone6 Settings-General-power settings you can view the battery time but this can be modified, only for reference.
Product detail Identification
This is generally not visible, of course, may also be seen, because the old is the old process is certainly not as good as the original.