HuaweiE122
source: http://entsperren.at/unlock_huawei.php
If the USB modem stick is in storage mode (default) mode, there will be no /dev/ttyUSB device file and therefore the modem is not usable for the smsgateway.
To disable the storage mode of a Huawei 122, follow the following steps:
sudo usb_modeswitch -v 12d1 -p 1c0b -M '55534243123456780000000000000011062000000100000000000000000000'
sudo modprobe option
echo "12d1 1c05" | sudo tee /sys/bus/usb-serial/drivers/option1/new_id
Afterwards wait a few seconds, then the /dev/ttyUSB* should appear.
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