Comment 217 for bug 446146

I would suggest that the kernel is probably now fixed, but a number of people are still having trouble with Network Manager.

My recommendation is to install wicd, which will uninstall NM, to see if that fixes it. You can always reverse it later.

Also, use Vodafone Mobile Connect, https://forge.betavine.net/frs/?group_id=12. It does actually work with any ISP, not just Vodafone. It has the big advantage of providing a usage monitor, amongst other things. If it seems not to work, be aware that it sometimes pops up its initial configuration window behind the main one, and once you find it, there should not be any problem setting it up. You will need your PIN of course, typically 0000.

You would need to install ozerocdoff, usb-modeswitch and then vodafone-mobile-connect (try the latest svn version). The debs will install singly with Gdebi, but whatever package manager you use will offer to update usb-modeswitch to a later version, which seems to be ok to allow.

I am thinking that if sufficient people try this, it should help to locate the source of the remaining problems, and/or get those people working again, even if it is only a temporary fix. It works for me, or I would not suggest it.