Sony Action Cam Firmware Update Error on Mac OS X

If you has error on firmware update and proposition to restart your camera and start update again, you have to

  1. copy update tool from dmg image to your local hard drive and
  2. select “Get Info” from context menu
  3. set check box “Prevent App Nap”
  4. make hard reset for camera
  5. restart update tool and finish firmware update

Algorithm for hard reset:

  1. remove battery and AC adapter(USB cable)
  2. press REC for a one minute
  3. put battery back