Thanks Nazar for your help! That seemed to work for me!
If anyone has a similar problem I used that firmware http://download.wdc.com/nas/sq-030401-230-20140415.deb.zip (I got it from one of Nazar’s posts in another thread - http://community.wd.com/t5/WD-My-Cloud/help-me-unbrick-my-soft-bricked-my-cloud/m-p/780919/highlight/true#M19913 
) and edited the file /etc/version in nano a explained here http://community.wd.com/t5/WD-My-Cloud/Easy-method-to-downgrade-to-previous-version-of-the-firmware/m-p/773073/highlight/true#M18956
