When exploring embedded software upgrade methods,this paper will also explore other possible options,such as incremental upgrade,incremental differential upgrade,etc.,to comprehensively understand various options.This paper will focus on exploring the technical principles,implementation steps,and application scenarios of these methods,in order to provide more references and suggestions for selecting the most suitable upgrade strategy for the project.By conducting in-depth research on different upgrade methods,can better understand their advantages and disadvantages in different situations,and provide more comprehensive support and guidance for decision-making in actual projects.