UPGRADE FILE MANUFACTURING METHOD, UPGRADE METHOD AND DEVICE, AND APPARATUS

摘要

An upgrade file manufacturing method, an upgrade method and device, and an apparatus, which relate to the technical field of communications. The upgrade file manufacturing method comprises: verifying the integrity of an initial upgrade file, so as to obtain an integrity check code of the initial upgrade file (101); and obtaining an upgrade file capable of writing to a universal serial bus (USB) device according to the integrity check code, the initial upgrade file, and parameter information about the initial upgrade file (102).