Also:
https://github.com/EMnify/doc/wiki/How-to-use-a-Huawei-E3531-in-Modem-Mode

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https://bugs.launchpad.net/bugs/1819362

Title:
  HUAWEI E3531 HSPA+ USB Stick "please report the device ID to the Linux
  USB developers"

Status in linux package in Ubuntu:
  Triaged

Bug description:
  I have a HUAWEI E3531 HSPA+ USB Stick

  When I plug it in, journalctl shows me

  Mär 10 19:21:20 pshp usb_modeswitch[3556]: usb_modeswitch: switched to 
12d1:14dc on 1/9
  Mär 10 19:21:20 pshp kernel: scsi 1:0:0:0: Direct-Access     HUAWEI   TF CARD 
Storage  2.31 PQ: 0 ANSI: 2
  Mär 10 19:21:20 pshp kernel: sd 1:0:0:0: Attached scsi generic sg0 type 0
  Mär 10 19:21:20 pshp kernel: sd 1:0:0:0: [sda] Attached SCSI removable disk
  Mär 10 19:21:21 pshp usb_modeswitch_dispatcher[3556]: Unable to open bind 
list file: No such file or directory
  Mär 10 19:21:21 pshp usb_modeswitch[3556]: usb_modeswitch: add device ID 
12d1:14dc to driver option
  Mär 10 19:21:21 pshp usb_modeswitch[3556]: usb_modeswitch: please report the 
device ID to the Linux USB developers!
  Mär 10 19:21:22 pshp ModemManager[860]: <info>  Couldn't check support for 
device at '/sys/devices/pci0000:00/0000:00:14.0/usb1/1-1': not supported by any 
plugin

  And the modem does not work (no ttyUSBX appears)

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: linux-image-4.18.0-15-generic 4.18.0-15.16~18.04.1
  ProcVersionSignature: Ubuntu 4.18.0-15.16~18.04.1-generic 4.18.20
  Uname: Linux 4.18.0-15-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.5
  Architecture: amd64
  CurrentDesktop: GNOME
  Date: Sun Mar 10 19:17:23 2019
  EcryptfsInUse: Yes
  SourcePackage: linux-signed-hwe
  UpgradeStatus: Upgraded to bionic on 2018-07-01 (252 days ago)
  --- 
  ProblemType: Bug
  ApportVersion: 2.20.9-0ubuntu7.5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ps         1825 F.... pulseaudio
  CurrentDesktop: GNOME
  DistroRelease: Ubuntu 18.04
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=f51203fe-7748-4c6c-b60e-becfac3f8f93
  MachineType: HP HP EliteBook 820 G4
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.0-15-generic 
root=UUID=ef37c096-b516-41e7-89ce-be7432f1677e ro quiet splash vt.handoff=1
  ProcVersionSignature: Ubuntu 4.18.0-15.16~18.04.1-generic 4.18.20
  RelatedPackageVersions:
   linux-restricted-modules-4.18.0-15-generic N/A
   linux-backports-modules-4.18.0-15-generic  N/A
   linux-firmware                             1.173.3
  Tags:  bionic wayland-session
  Uname: Linux 4.18.0-15-generic x86_64
  UpgradeStatus: Upgraded to bionic on 2018-07-01 (252 days ago)
  UserGroups: adm cdrom dip gsmsms lpadmin plugdev sambashare scanner sudo
  _MarkForUpload: True
  dmi.bios.date: 10/17/2017
  dmi.bios.vendor: HP
  dmi.bios.version: P78 Ver. 01.08
  dmi.board.name: 8292
  dmi.board.vendor: HP
  dmi.board.version: KBC Version 45.3C
  dmi.chassis.asset.tag: 5CG7453N9P
  dmi.chassis.type: 10
  dmi.chassis.vendor: HP
  dmi.modalias: 
dmi:bvnHP:bvrP78Ver.01.08:bd10/17/2017:svnHP:pnHPEliteBook820G4:pvr:rvnHP:rn8292:rvrKBCVersion45.3C:cvnHP:ct10:cvr:
  dmi.product.family: 103C_5336AN HP EliteBook
  dmi.product.name: HP EliteBook 820 G4
  dmi.product.sku: X3T22AV
  dmi.sys.vendor: HP
  --- 
  ProblemType: Bug
  ApportVersion: 2.20.9-0ubuntu7.5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ps         1825 F.... pulseaudio
  CurrentDesktop: GNOME
  DistroRelease: Ubuntu 18.04
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=f51203fe-7748-4c6c-b60e-becfac3f8f93
  MachineType: HP HP EliteBook 820 G4
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.0-15-generic 
root=UUID=ef37c096-b516-41e7-89ce-be7432f1677e ro quiet splash vt.handoff=1
  ProcVersionSignature: Ubuntu 4.18.0-15.16~18.04.1-generic 4.18.20
  RelatedPackageVersions:
   linux-restricted-modules-4.18.0-15-generic N/A
   linux-backports-modules-4.18.0-15-generic  N/A
   linux-firmware                             1.173.3
  Tags:  bionic wayland-session
  Uname: Linux 4.18.0-15-generic x86_64
  UpgradeStatus: Upgraded to bionic on 2018-07-01 (252 days ago)
  UserGroups: adm cdrom dip gsmsms lpadmin plugdev sambashare scanner sudo
  _MarkForUpload: True
  dmi.bios.date: 10/17/2017
  dmi.bios.vendor: HP
  dmi.bios.version: P78 Ver. 01.08
  dmi.board.name: 8292
  dmi.board.vendor: HP
  dmi.board.version: KBC Version 45.3C
  dmi.chassis.asset.tag: 5CG7453N9P
  dmi.chassis.type: 10
  dmi.chassis.vendor: HP
  dmi.modalias: 
dmi:bvnHP:bvrP78Ver.01.08:bd10/17/2017:svnHP:pnHPEliteBook820G4:pvr:rvnHP:rn8292:rvrKBCVersion45.3C:cvnHP:ct10:cvr:
  dmi.product.family: 103C_5336AN HP EliteBook
  dmi.product.name: HP EliteBook 820 G4
  dmi.product.sku: X3T22AV
  dmi.sys.vendor: HP

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