Comment 3 for bug 868034

I have the same problem.

I found such solution in the Internet. Please confirm if this work!!!!!

the recommend change should be applied to "usb_modeswitch.conf" ( if any) . try edit the

/lib/udev/rules.d/40-usb_modeswitch.rules

to disable the rule place a # at start of the line , example

Quote:
# Huawei E220, E230, E270, E870
# ATTRS{idVendor}=="12d1", ATTRS{idProduct}=="1003", RUN+="usb_modeswitch '%b/%k'"

this should allow the use of modems which require switching.