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[Christopher Forster <868034@xxxxxxxxxxxxxxxxxx>]

There should be drivers built in to support the Huawei modems. I have
and I'm still having some problems with the 3g connection since Ubuntu
9.10 with the Huawei E220 and Huawei E1550 modems. There may be problems
getting the dongles to work from Ubuntu. I sometimes solved and got the
modems working by unplug and plug back in workaround. Kubuntu 11.10 has
sometimes connected with the Huawei E220 modem.

@Sleepy John (john-eyre) comment #13

"CODE
sudo usb_modeswitch -v 0x12d1 -p 1003 -V 0x12d1 -P 1003 -R

Then unplug and replug the dongle, and now it will connect."

Solved the problem, this works perfect. Kubuntu 11.10 now connects with
my Huawei E220: "Connected to Tele2 - Mobilt Bredband". Thanks Sleepy
John (john-eyre).

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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to network-manager in Ubuntu.
https://bugs.launchpad.net/bugs/868034

Title:
  Huawei E220 can't connect on Ubuntu 11.10

Status in NetworkManager:
  New
Status in “linux” package in Ubuntu:
  Invalid
Status in “network-manager” package in Ubuntu:
  In Progress

Bug description:
  I'm using Ubuntu in my HP Pavilion dv6745tx laptop. I cannot connect
  the Huawei E220 usb modem since 11.10 beta1 (now I'm in beta2). There
  is  no problem in natty.

  I have found this in syslog

  Oct  5 07:10:51 ubuntu NetworkManager[1681]: <info> Activation (ttyUSB0) starting connection 'Dialog GSM Postpaid'
  Oct  5 07:10:51 ubuntu NetworkManager[1681]: <info> (ttyUSB0): device state change: disconnected -> prepare (reason 'none') [30 40 0]
  Oct  5 07:10:51 ubuntu NetworkManager[1681]: <info> Activation (ttyUSB0) Stage 1 of 5 (Device Prepare) scheduled...
  Oct  5 07:10:51 ubuntu NetworkManager[1681]: <info> Activation (ttyUSB0) Stage 1 of 5 (Device Prepare) started...
  Oct  5 07:10:51 ubuntu NetworkManager[1681]: <info> Activation (ttyUSB0) Stage 1 of 5 (Device Prepare) complete.
  Oct  5 07:10:58 ubuntu NetworkManager[1681]: <warn> GSM connection failed: (32) Sending command failed: 'Resource temporarily unavailable'
  Oct  5 07:10:58 ubuntu NetworkManager[1681]: <info> (ttyUSB0): device state change: prepare -> failed (reason 'unknown') [40 120 1]
  Oct  5 07:10:58 ubuntu NetworkManager[1681]: <warn> Activation (ttyUSB0) failed.
  Oct  5 07:10:58 ubuntu NetworkManager[1681]: <info> (ttyUSB0): device state change: failed -> disconnected (reason 'none') [120 30 0]
  Oct  5 07:10:58 ubuntu NetworkManager[1681]: <info> (ttyUSB0): deactivating device (reason: 0).
  Oct  5 07:10:58 ubuntu NetworkManager[1681]: nm_system_iface_flush_routes: assertion `ifindex > 0' failed
  Oct  5 07:10:58 ubuntu NetworkManager[1681]: nm_system_iface_flush_addresses: assertion `ifindex > 0' failed

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