It requires Version 3.01 or over. As long as you don't have a % sign in the WiFi settings the firmware update will work.  You can save the file V301_TappecueSpecial.hex and use it in place of the file in the video and instructions in the following link for updating firmware.
Once the Tappecue has been updated it will show 3.01 as the version, then it will show PC Connected again.We then have to change the replacement value to 1 by putting a 1 in the box above Set Replacement button in the utilities and then click the Set Replacement button as shown below.  You can then setup your WiFi settings with the $.