Firmware New! Downloads — Juniper

To access official , you must have a valid Juniper Support Account . Specifically, you need one of the following:

When trying to get your , you will encounter errors. Here is the troubleshooting guide:

To download Junos OS or specific device firmware (like BIOS or CPLD), you must use the official Juniper Support Downloads page. juniper firmware downloads

Juniper explicitly marks stable, highly tested releases with a gold star icon in the download portal. For production environments, always default to the Juniper Suggested Release unless you require a specific feature found only in a newer version.

Select either Junos OS or Junos OS Evolved based on your hardware architecture. To access official , you must have a

Juniper Networks operates on a structured release cycle for its primary operating system, Junos OS. When searching for firmware, you will typically encounter three types of releases:

: If you recently purchased the hardware, you typically have access to software downloads for the first 90 days. Juniper explicitly marks stable, highly tested releases with

You need a valid Juniper account linked to an active support contract (J-Care) or a valid warranty. Without this, the "Download" button remains greyed out.

With the correct firmware file on hand, you are ready to perform the upgrade. This is a multi-stage process that, when executed correctly, can be performed with minimal disruption to your network traffic.