Custom Script Custom script is stored in /tmp/custom.sh file. Users can run it 
manually or use cron to run it on a schedule. Fill the text area with script's 
instructions (only one command by row) and click Save Custom Script. 
 
  
Firmware upgrade  
Firmware upgrade allows users to upgrade or downgrade firmware. It may take a 
few minutes to upgrade the firmware, therefore please be patient and keep 
monitoring the upgrade bar, modem will come back online after performing 
upgrade. The configuration will not be erased.