The key components of this check include: Full Model Description, Warranty Details, Find My iPhone + iCloud Status, GSMA Blacklist Status, GSMA Blacklist History(Pro), Purchase Date, Manufacture Date, SIM-Lock Status and Carrier(Pro).
Other data points include: Purchase Country*, Replaced Status, Replacement Status*, Repair Status, Refurbished Status, Demo Unit*, Part Number (Mac/Watch)*, Obsolete Status, Loaner Status, Unit Age & Assembly Factory.
Items marked (*) are not always provided.