Welcome to the Community.
Does the WD My Cloud app work? Or is it also freezing on your phone? Which version of iOS do you run? Did you try re-installing the app as opposed to rebooting your NAS?
Welcome to the Community.
Does the WD My Cloud app work? Or is it also freezing on your phone? Which version of iOS do you run? Did you try re-installing the app as opposed to rebooting your NAS?