ubuntu@ubuntu:~$ dmesg | tail
[ 338.673696] scsi7 : usb-storage 3-3:1.0
[ 338.674059] usb-storage 3-3:1.1: USB Mass Storage device detected
[ 338.674257] scsi8 : usb-storage 3-3:1.1
[ 339.670601] scsi 7:0:0:0: CD-ROM HUAWEI Mass Storage 2.31 PQ: 0 ANSI: 2
[ 339.672746] sr1: scsi-1 drive
[ 339.673324] sr 7:0:0:0: Attached scsi CD-ROM sr1
[ 339.673579] sr 7:0:0:0: Attached scsi generic sg3 type 5
[ 339.675184] scsi 8:0:0:0: Direct-Access HUAWEI SD Storage 2.31 PQ: 0 ANSI: 2
[ 339.676625] sd 8:0:0:0: Attached scsi generic sg4 type 0
[ 339.681170] sd 8:0:0:0: [sdc] Attached SCSI removable disk
ubuntu@ubuntu:~$ lsusb && lsusb -t
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 0bda:5776 Realtek Semiconductor Corp.
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 004: ID 12d1:14fe Huawei Technologies Co., Ltd.
Bus 003 Device 002: ID 048d:1172 Integrated Technology Express, Inc.
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
/: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 5000M
/: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 480M
|__ Port 1: Dev 2, If 0, Class=Mass Storage, Driver=usb-storage, 480M
|__ Port 3: Dev 4, If 0, Class=Mass Storage, Driver=, 480M
|__ Port 3: Dev 4, If 1, Class=Mass Storage, Driver=usb-storage, 480M
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
|__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/6p, 480M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
|__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/6p, 480M
|__ Port 1: Dev 3, If 0, Class=Video, Driver=uvcvideo, 480M
|__ Port 1: Dev 3, If 1, Class=Video, Driver=uvcvideo, 480M
ubuntu@ubuntu:~$ dpkg -l | grep modeswitch
ii usb-modeswitch 2.1.1+repack0-1ubuntu1 amd64 mode switching tool for controlling "flip flop" USB devices
ii usb-modeswitch-data 20140327-1 all mode switching data for usb-modeswitch
ubuntu@ubuntu:~$