我一直在寻找一种方法来让我的 USB 调制解调器工作。我使用的是 ubuntu 14.04。我知道 ubuntu 最初将这些调制解调器视为大容量存储设备。因此，我使用modprobe和ubs-modeswitch切换模式，但无济于事。我也安装了驱动程序，它显示已成功安装。起初，Ubuntu 将其视为 USB 调制解调器，但重启后它就消失了。
输出lsusb：
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 004: ID 0bda:0139 Realtek Semiconductor Corp. RTS5139 Card Reader Controller
Bus 001 Device 003: ID 04e8:685e Samsung Electronics Co., Ltd GT-I9100 Phone [Galaxy S II] (USB Debugging mode)
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 003: ID 0489:e032 Foxconn / Hon Hai
Bus 003 Device 002: ID 5986:0295 Acer, Inc
Bus 003 Device 004: ID 12d1:1446 Huawei Technologies Co., Ltd. E1552/E1800/E173 (HSPA modem)
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
这相关的 dmesg输出 ：
[ 414.605997] usb 3-1: new high-speed USB device number 4 using xhci_hcd
[ 414.622875] usb 3-1: New USB device found, idVendor=12d1, idProduct=1446
[ 414.622879] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 414.622882] usb 3-1: Product: HUAWEI Mobile
[ 414.622884] usb 3-1: Manufacturer: HUAWEI
[ 414.622885] usb 3-1: SerialNumber: FFFFFFFFFFFFFFFF
[ 414.666998] usb-storage 3-1:1.0: USB Mass Storage device detected
[ 414.667059] scsi8 : usb-storage 3-1:1.0
[ 415.677870] scsi 8:0:0:0: CD-ROM HUAWEI Mass Storage 2.31 PQ: 0 ANSI: 2
[ 415.679161] scsi 8:0:0:1: Direct-Access HUAWEI TF CARD Storage 2.31 PQ: 0 ANSI: 2
[ 415.679664] sr1: scsi-1 drive
[ 415.679780] sr 8:0:0:0: Attached scsi CD-ROM sr1
[ 415.679845] sr 8:0:0:0: Attached scsi generic sg4 type 5
[ 415.680002] sd 8:0:0:1: Attached scsi generic sg5 type 0
[ 415.683788] sd 8:0:0:1: [sdd] Attached SCSI removable disk
[ 416.064857] ISO 9660 Extensions: Microsoft Joliet Level 1
[ 416.067547] ISOFS: changing to secondary root
[ 423.196151] systemd-hostnamed[4145]: Warning: nss-myhostname is not installed. Changing the local hostname might make it unresolveable. Please install nss-myhostname!
[ 442.702179] ideapad_laptop: Unknown event: 1
[ 449.626373] usbcore: registered new interface driver usbserial
[ 449.626385] usbcore: registered new interface driver usbserial_generic
[ 449.626392] usbserial: USB Serial support registered for generic
[ 449.630494] usbcore: registered new interface driver option
[ 449.630509] usbserial: USB Serial support registered for GSM modem (1-port)
每当我尝试创建新的移动宽带连接时，网络管理器选项卡中都不会显示华为调制解调器选项。