Modifying a Device Template
You modify a device template to propagate the modifications to the device to which the device template is assigned. If you need to modify the device template after deploying the device template, the template designer must check the device template and the template definition to fix any errors. You should redeploy the device template only after the errors are fixed. You can use this workflow to modify both Configuration templates and Quick templates.
Note:
A new version of the template is created if you modify a template that is in the Assigned or Deployed state.
To modify a device template: