I have Huawei E1550 on Ubuntu 16.04 LTS.
Bus 003 Device 006: ID 12d1:1446 Huawei Technologies Co., Ltd. Broadband stick 
(modem on)

In syslog I have:

Oct  9 14:25:47 u1604-jfv60 kernel: [  492.899483] usb 3-2: new full-speed USB 
device number 7 using xhci_hcd
Oct  9 14:25:47 u1604-jfv60 kernel: [  493.099297] usb 3-2: New USB device 
found, idVendor=12d1, idProduct=1446
Oct  9 14:25:47 u1604-jfv60 kernel: [  493.099307] usb 3-2: New USB device 
strings: Mfr=2, Product=1, SerialNumber=0
Oct  9 14:25:47 u1604-jfv60 kernel: [  493.099312] usb 3-2: Product: HUAWEI 
Mobile
Oct  9 14:25:47 u1604-jfv60 kernel: [  493.099317] usb 3-2: Manufacturer: 
HUAWEI Technology
Oct  9 14:25:47 u1604-jfv60 kernel: [  493.105662] usb-storage 3-2:1.0: USB 
Mass Storage device detected
Oct  9 14:25:47 u1604-jfv60 kernel: [  493.105923] scsi host15: usb-storage 
3-2:1.0
Oct  9 14:25:47 u1604-jfv60 kernel: [  493.106247] usb-storage 3-2:1.1: USB 
Mass Storage device detected
Oct  9 14:25:47 u1604-jfv60 kernel: [  493.106447] scsi host16: usb-storage 
3-2:1.1
Oct  9 14:25:47 u1604-jfv60 mtp-probe: checking bus 3, device 7: 
"/sys/devices/pci0000:00/0000:00:14.0/usb3/3-2"
Oct  9 14:25:47 u1604-jfv60 mtp-probe: bus: 3, device: 7 was not an MTP device
Oct  9 14:25:48 u1604-jfv60 systemd[1]: Starting USB_ModeSwitch_3-2:1.0...
Oct  9 14:25:48 u1604-jfv60 usb_modeswitch_dispatcher[2693]: Could not read 
attribute: No such file or directory
Oct  9 14:25:48 u1604-jfv60 kernel: [  494.108053] scsi 16:0:0:0: Direct-Access 
    HUAWEI   MMC Storage      2.31 PQ: 0 ANSI: 2
Oct  9 14:25:48 u1604-jfv60 kernel: [  494.109269] sd 16:0:0:0: Attached scsi 
generic sg3 type 0
Oct  9 14:25:48 u1604-jfv60 kernel: [  494.110989] scsi 15:0:0:0: CD-ROM        
    HUAWEI   Mass Storage     2.31 PQ: 0 ANSI: 2
Oct  9 14:25:48 u1604-jfv60 kernel: [  494.121849] sd 16:0:0:0: [sdd] Attached 
SCSI removable disk
Oct  9 14:25:48 u1604-jfv60 kernel: [  494.125106] sr 15:0:0:0: [sr0] scsi-1 
drive
Oct  9 14:25:48 u1604-jfv60 kernel: [  494.125463] sr 15:0:0:0: Attached scsi 
CD-ROM sr0
Oct  9 14:25:48 u1604-jfv60 kernel: [  494.125668] sr 15:0:0:0: Attached scsi 
generic sg4 type 5
Oct  9 14:25:48 u1604-jfv60 kernel: [  494.245860] xhci_hcd 0000:00:14.0: WARN 
Event TRB for slot 6 ep 2 with no TDs queued?
Oct  9 14:25:48 u1604-jfv60 usb_modeswitch_dispatcher[2693]: message repeated 3 
times: [ Could not read attribute: No such file or directory]
Oct  9 14:25:49 u1604-jfv60 usb_modeswitch: switch device 12d1:1446 on 003/007
Oct  9 14:25:50 u1604-jfv60 usb_modeswitch_dispatcher[2693]: Could not read 
attribute: No such file or directory
Oct  9 14:25:50 u1604-jfv60 usb_modeswitch[2693]: usb_modeswitch: switched to 
12d1:1446 on 3/7
Oct  9 14:25:51 u1604-jfv60 usb_modeswitch_dispatcher[2693]: Unable to open 
bind list file: No such file or directory
Oct  9 14:25:51 u1604-jfv60 usb_modeswitch[2693]: usb_modeswitch: add device ID 
12d1:1446 to driver option
Oct  9 14:25:51 u1604-jfv60 usb_modeswitch[2693]: usb_modeswitch: please report 
the device ID to the Linux USB developers!
Oct  9 14:25:58 u1604-jfv60 systemd[1]: Started USB_ModeSwitch_3-2:1.0.

Modem does not connect to 3G network.

** Changed in: usb-modeswitch (Ubuntu)
       Status: Expired => Incomplete

** Changed in: usb-modeswitch (Ubuntu)
       Status: Incomplete => Confirmed

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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to usb-modeswitch in Ubuntu.
https://bugs.launchpad.net/bugs/1514231

Title:
  Huawei Broadband stick not recognized

Status in usb-modeswitch package in Ubuntu:
  Confirmed

Bug description:
  USB Huawei broadband USB modem not recognized as modem but only as
  storage

  Nov  8 19:53:04 v5 usb_modeswitch_dispatcher[8223]: message repeated 3 times: 
[ Could not read attribute: No such file or directory]
  Nov  8 19:53:05 v5 usb_modeswitch[8223]: usb_modeswitch: use overriden config 
12d1:1446 from collection /etc/usb_modeswitch.d; make sure this is intended
  Nov  8 19:53:05 v5 usb_modeswitch[8223]: usb_modeswitch: please report any 
new or corrected settings; otherwise, check for outdated files
  Nov  8 19:53:05 v5 usb_modeswitch: switch device 12d1:1446 on 001/012
  Nov  8 19:53:06 v5 usb_modeswitch_dispatcher[8223]: Could not read attribute: 
No such file or directory
  Nov  8 19:53:06 v5 usb_modeswitch[8223]: usb_modeswitch: switched to 
12d1:1446 on 1/12
  Nov  8 19:53:07 v5 usb_modeswitch_dispatcher[8223]: Unable to open bind list 
file: No such file or directory
  Nov  8 19:53:07 v5 usb_modeswitch[8223]: usb_modeswitch: add device ID 
12d1:1446 to driver option
  Nov  8 19:53:07 v5 usb_modeswitch[8223]: usb_modeswitch: please report the 
device ID to the Linux USB developers!
  Nov  8 19:53:14 v5 systemd[1]: Started USB_ModeSwitch_1-3:1.0.

  
  $ lsusb
  Bus 003 Device 002: ID 8087:8000 Intel Corp. 
  Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
  Bus 001 Device 003: ID 04f2:b469 Chicony Electronics Co., Ltd 
  Bus 001 Device 002: ID 04ca:2004 Lite-On Technology Corp. Bluetooth 4.0 
[Broadcom BCM20702A0]
  Bus 001 Device 012: ID 12d1:1446 Huawei Technologies Co., Ltd. Broadband 
stick (modem on)
  Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: usb-modeswitch 2.2.5+repack0-1ubuntu1
  ProcVersionSignature: Ubuntu 4.2.0-17.21-generic 4.2.3
  Uname: Linux 4.2.0-17-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.19.1-0ubuntu4
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Sun Nov  8 19:53:21 2015
  InstallationDate: Installed on 2015-08-18 (82 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  SourcePackage: usb-modeswitch
  UpgradeStatus: Upgraded to wily on 2015-11-08 (0 days ago)

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