How to upgrade the new firmware from harddisk to flash. If i found a new firmware version in harddisk and if i want to fuse it to flash what are the background processes involved in that. how the version will be automatically fused to flash if i select "Yes" in UI
Could you provide more information? Which board, RTOS? Without this informations it is impossible to answer your question. In general you could use boot loader to do the upgrade. For example u-boot bootloader can do this.