Hi Reload,
Good day!!
Can you use following link to downgrade the OS?
http://kb.juniper.net/InfoCenter/index?page=content&id=KB5519&actp=search
Note:- While device boots up, you have to take action as per the KB when following message appears.
you hit the enter key during this prompt
Hit any key to run loader
Hit any key to run loaderHit any key to run loader < Press the 'Enter' key at this point
Then follow the steps in kb from there. You do need a TFTP server on your laptop and this connected to the device with the files for the process installed
Please mark "Accepted Solution" if this helps.
Kudos are always appreciated
Thanks
Suraj