Manual Update Broken

When I use manual update , nothing happens. Then I use the Chrome debug tool to find out , MyCloud constantly send 404 back to chrome, like below
Screenshot 2020-12-11 000250

And I also cannot upgrade through automatic update, I do have internet connection ,but in Settings/Network panel ,things like this
Screenshot 2020-12-10 235656

What should I do right now? I have the firmware file, How can I update through ssh command line?

@svandex Please go ahead and create a Support Case and attach the My Cloud Logs to the case. and send me the case number.