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An update boot  (aka TE USB FX2 firmware update) is a multi-step boot operation:

• follow the same procedure desrcibed in  update boot and use Open_Fut (gen 3) instead of CyConsole or CyControl or OpenFutNet.
• TE USB FX2 module with the USB EEPROM enabled (when TE USB FX2 module is powered on) should be already inserted at this point.
• A)  TE USB FX2 module is seen under Device Driver as a Trenz Electronic Device.

• B)  TE USB FX2 module is seen under Device Driver as a DEWESoft Device. In this case, you should start a Recovery boot procedure.
• Open a USB Firmware Upgrade Tool (double click ofut.py).

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• Press the  "..." button (it means for "Select *.iic file or enter file path”) at left of "Program USB" button corresponding to the firmware file pathname selection

• Select a suitable .iic firmware upload file. You can download the firmware availbale at Trenz Electronic GitHub.
• Press the “Program USB: write IIC EEPROM” button if you want the *.iic file to be written into the large EEPROM of the EZ-USB FX2LP USB FX2 microcontroller.
• When the progress bar reaches 100%, the following log text message notifies the successful completion of the USB upgrade procedure.