Upgrading a Device Images via Junos Space
Junos Space Platform can be a central repository for all device OS images and provide workflows to download and install these images on managed devices. You can upload, stage, and verify the checksum of device images, and deploy device images and Junos Continuity software packages to a device or multiple devices of the same device family simultaneously from the Images and Scripts workspace. For complete information about upgrading device images, see the Images and Scripts workspace documentation in the Junos Space Network Management Platform Workspaces User Guide.
https://www.juniper.net/documentation/us/en/software/junos-space22.3/junos-space-getting-started/topics/concept/junos-space-getting-started-device-discovery-overview.html#device-management-in-junos-space-platform__d215e161