On Sun, Dec 09, 2018 at 10:05:03PM +0100, Bjoern Franke wrote: > Hi, > > the device 1c9e/3003 is a 3G-stick sold as "4G Systems W21s", "1und1 > UMTS Antenne" and several other names. > > After usb-modeswitching to configuration 2 and inserting usbserial for > it, it provides ttyUSB[0-3] whereas ttyUSB1 works for connection.
That's great to hear, but why do we need to know this? Were you using the 'generic' usb-serial interface which asked you to email this information here? If so, can you provide the output of 'lsusb -v' with the device plugged into the system and working? thanks, greg k-h
