you are using the FW upgrade tool for the iXpand USB 2.0. From your app you have the IXpand USB 3.0 so it uses a different Firmware update tool.
Here is the iXpand USB 3.0 firmware update tool
you are using the FW upgrade tool for the iXpand USB 2.0. From your app you have the IXpand USB 3.0 so it uses a different Firmware update tool.
Here is the iXpand USB 3.0 firmware update tool