Fedora 42: tethering from my phone stopped working after upgrade, device recognized as wwan

glb · April 17, 2025, 9:25pm

It looks like you need to set your device’s class to 0xe0^[1]

Apparently the usb_modeswitch command can do that. Again, I’ve never used it. Sorry I cannot be of more help.

https://openwrt.org/docs/guide-user/network/wan/wwan/usb-modeswitching

include/uapi/linux/usb/ch9.h

b5c6891b2


      
          #define USB_CLASS_HID			3
          #define USB_CLASS_PHYSICAL		5
          #define USB_CLASS_STILL_IMAGE		6
          #define USB_CLASS_PRINTER		7
          #define USB_CLASS_MASS_STORAGE		8
          #define USB_CLASS_HUB			9
          #define USB_CLASS_CDC_DATA		0x0a
          #define USB_CLASS_CSCID			0x0b	/* chip+ smart card */
          #define USB_CLASS_CONTENT_SEC		0x0d	/* content security */
          #define USB_CLASS_VIDEO			0x0e
          #define USB_CLASS_WIRELESS_CONTROLLER	0xe0
          #define USB_CLASS_PERSONAL_HEALTHCARE	0x0f
          #define USB_CLASS_AUDIO_VIDEO		0x10
          #define USB_CLASS_BILLBOARD		0x11
          #define USB_CLASS_USB_TYPE_C_BRIDGE	0x12
          #define USB_CLASS_MCTP			0x14
          #define USB_CLASS_MISC			0xef
          #define USB_CLASS_APP_SPEC		0xfe
          #define USB_SUBCLASS_DFU			0x01
          
          #define USB_CLASS_VENDOR_SPEC		0xff

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Fedora 42: tethering from my phone stopped working after upgrade, device recognized as wwan

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