Pytrack "dfu-util: Cannot set alt interface zero"

  • Hi,

    Im having an issue when i try to update pytrack's firmare with dfu-util

    renegarcia$ dfu-util -D /Users/renegarcia/Downloads/pytrack_0.0.8.dfu 
    dfu-util 0.9
    Copyright 2005-2009 Weston Schmidt, Harald Welte and OpenMoko Inc.
    Copyright 2010-2016 Tormod Volden and Stefan Schmidt
    This program is Free Software and has ABSOLUTELY NO WARRANTY
    Please report bugs to
    Match vendor ID from file: 04d8
    Match product ID from file: f014
    Opening DFU capable USB device...
    ID 04d8:f014
    Run-time device DFU version 0100
    Claiming USB DFU Runtime Interface...
    dfu-util: Cannot set alt interface zero

    Could you help me, please?

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