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I've reviewed the provided document which is a guide for updating the firmware of the Flexineb E3 nebulizer. The instructions include details on how to connect this device to a computer via USB, download the update, and perform the firmware upgrade. The guide also covers relevant switch positioning and cable types. I'm ready to answer your questions about this process or the device itself.
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What type of USB cable do I need?
Where can I download the firmware update?
What do I do after the firmware update is complete?