May we know the reason for upgrading?
      Sometimes there are some risks associated with upgrading,so if your camera works normal,we would like you not to upgrade.Of course, if you are insist on upgrading,please provide  the current firmware of the camera you need to update since you must use the corresponding firmware according with the current camera.Please well note,we don't take responsible for update because we always take it seriously,any further question,please feel free to contact us.