Ubuntu:
apt-get install usb-modeswitch
lsusb
Bus 002 Device 007: ID 12d1:141b Huawei Technologies Co., Ltd.
/etc/udev/rules.d/62-option-modem-modeswitch.rules:
ATTRS{idVendor}=="12d1", ATTRS{idProduct}=="141b,RUN+="modem-modeswitch-v 0x%s{idVendor} -p 0x%s{idProduct} -t option-zerocd"
sudo service udev restart
Arch:
Install usb_modeswitch from AUR and create:
/etc/usb_modeswitch.conf.e1550
/etc/udev/rules.d/55-e1550.rules
/usr/share/hal/fdi/preprobe/20thirdparty/10-huawei-e1550.fdi