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How to make the Vodafone Internet Key Huawei K3765 work on a fonera2n

  • install the new version of kernel 2.3.5 (dev version)
  • install usb_modeswitch, lsusb and libutils packets
  • put in /etc/usb_mdoeswitch.conf the following istructions:

    # Huawei K3765
    DefaultVendor= 0x12d1
    DefaultProduct= 0x1520
    TargetVendor= 0x12d1
  • go in the directory /dev/ and execute:

    mknod /dev/ttyUSB0 c 188 0
    mknod /dev/ttyUSB1 c 188 1
    mknod /dev/ttyUSB2 c 188 2
    mknod /dev/ttyUSB3 c 188 3
    (I'm not sure, if 188 isn't the good, try with 189, this is the entry point of the usb)
  • reboot
  • execute: usb_modeswitch

  • execute:  echo "0x12d1 0x1465" >/sys/bus/usb-serial/drivers/option1/new_id 

  • At this point the fonera will properly recognize the /dev/ttyUSB* and the 3G modem. Add in the /etc/init.d the script which will execute usb_modeswitch and echo... on boot and link it to /etc/rc.d

Hope this will help you.