unlock-mobile-broadband-device.sh

#!/usr/bin/bash

# Author: Mehmet Akif TAŞOVA <makiftasova@gmail.com>
# A simple shell script to unlock mobile broadband devices 
# on linux systems.
# depends on mmcli utility.

if [ $# -eq 1 ] ; then
    echo "device #$1 sims are:"
    mmcli -m $1 | grep SIM

elif [ $# -eq 2 ] ; then
    echo "please enter PIN to unlock device"
    echo "usage: $0 $1 $2 [PIN_CODE]"

elif [ $# -ne 3 ] ; then
    echo "usage: $0 [MODEM_CODE] [SIM_CODE] [PIN_CODE]"
    echo "current devices are:"
    mmcli -L
    exit

else
    mmcli -m $1 -i $2 --pin=$3
fi