Download software
https://www.juniper.net/support/downloads/?p=srx320#sw
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https://kb.juniper.net/InfoCenter/index?page=content&id=KB16652&actp=METADATA
Steps:
sftp file to /cf/var/tmp/
request system software add no-copy /var/tmp/junos-srxsme-11.4R4.4-domestic.tgzrequest system reboot
Upgrading the VDSL PIC Firmware
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