The tool for loading firmware expects an USB serial port to work on.
When the module is in firmware loading mode, it would become
Bus 001 Device 010: ID 058b:0041 Infineon Technologies
After adding this ID to usb-serial-simple,
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/6p, 480M
|__ Port 4: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M
|__ Port 1: Dev 10, If 0, Class=Communications, Driver=, 480M
|__ Port 1: Dev 10, If 1, Class=CDC Data, Driver=usb_serial_simple, 480M
And a /dev/ttyUSBn would be created.
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https://bugs.launchpad.net/bugs/1520147
Title:
Support firmware update interface of WWAN module
Status in linux package in Ubuntu:
In Progress
Status in linux source package in Vivid:
New
Bug description:
Bus 001 Device 005: ID 413c:81ba Dell Computer Corp.
Need to use usb-serial-simple instead of acm when the module is in
firmware loading mode.
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https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1520147/+subscriptions
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