Cannot Access Device After Firware Update

Same here …

http://community.wd.com/t5/WD-My-Cloud/Support-tells-me-it-could-be-up-to-a-week-to-fix/td-p/762312

and

http://community.wd.com/t5/WD-My-Cloud/Support-tells-me-it-could-be-up-to-a-week-to-fix/td-p/762312

Good luck, I hope you get better help from WD than I have to date