I signed up for the Watch 4 beta a few days ago, but am still unable to download the plugins with the error I'm unauthorized. I can't download either the plugin or the samsung health one, either. Not sure what's going on, but I'd appreciate it if I could get in.
Thank you for providing us with the information we requested. Our team is working to troubleshoot the issues you are facing. I will update you as soon as the issue has been resolved.
Thank you for your patience.
One UI Beta Team