Step: arm developed version, press the reset button and one second after entering the press mode control + c
Step two: is the development arm version, execute command fastboot
Third: good win kernel programming and preparation of documents
-> AdbWinApi.dll
-> AdbWinUsbApi.dll
-> boot.img (needs its own programming)
->fastboot.exe
-> GECuboot.bin (needs its own programming)
Step four: win Open a command window, enter the file directory above
Step five: win executes instructions: fastboot flash GECuboot GECuboot.bin
Step Six: win executes instructions: fastboot flash boot boot.img