Once downloaded, the firmware must be moved to the Juniper device for installation: Junos Updates | Junos OS - Juniper Elevate Community
These are periodic updates to existing versions that address specific bugs (Maintenance Releases) or critical security vulnerabilities (Security Patches). How to Access Juniper Firmware Downloads juniper firmware downloads
Find a Product Start typing a product name to find Software Downloads for that product. Juniper Networks Installing and Upgrading Firmware | Junos OS Once downloaded, the firmware must be moved to