MyCloud Mirror and OS5

The last post by WD is that OS5 is now available for all MyCoud devices. How do I install that for MyCloud Mirror? Anybody who has done it and can tell me what to do?
Thanks much for any info!
Regards, Maarten

@avdecha

My Cloud OS 5: How to Update From My Cloud OS 3

https://support-en.wd.com/app/answers/detail/a_id/29813