noun
factory settings; default settings
Computing term for the original configuration of a device or software as shipped from the factory.
スマホを工場出荷時設定にリセットした。
I reset my smartphone to factory settings.
初期設定 refers to initial settings in general, while 工場出荷時設定 specifically means the settings as they were when the product left the factory.
Compound of 工場 (factory), 出荷 (shipment), 時 (time), and 設定 (settings).