Automatic Startup of Cell module or Wifi module

Create a startup script in a location where it will be saved e.g.:

sudo nano /usr/local/bin/start_cellular.sh

Enter the following info:

******************

#!/bin/sh

# Startup script to automatically start the cellular module

sudo cell_mgmt start

******************

Make it executable:

sudo chmod 755 /usr/local/bin/start_cellular.sh

Create another script which is automatically executed:

sudo nano /etc/rc.local

******************

#!/bin/sh

# This script is executed at the end of each multiuser runlevel

/usr/local/bin/start_cellular.sh

exit 0

************

Make it executable:

sudo chmod 755 /etc/rc.local

Reboot and test.