1. disconnect all other USB devices connected to your PC.
2. remove IODD cover.
3. press the tact switch on the PCB and hold, and connect USB.
4. wait for 3 second and release the switch.
5. run the firmware updater.
1. disconnect all other USB devices connected to your PC.
2. remove IODD cover.
3. press the tact switch on the PCB and hold, and connect USB.
4. wait for 3 second and release the switch.
5. run the firmware updater.
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