xflash --factory-version 15.3 --target-file src/core/synido.xn --upgrade 2 bin/f5_music_uac1/app_usb_aud_sy102_f5_music_uac1.xe --upgrade 3 bin/f1_music_uac2/app_usb_aud_sy102_f1_music_uac2.xe  --upgrade 1 bin/f3_f4_fps_uac2/app_usb_aud_sy102_f3_f4_fps_uac2.xe --upgrade 4 bin/f6_f7_fps_uac1/app_usb_aud_sy102_f6_f7_fps_uac1.xe -o %1
