You are welcome. I don't know if you saw this tutorial Windows Update Automatic Updates - Enable or Disable in Windows 10 - Windows 10 Forums

You can decide when (apparently, I've not tried to...

I couldn't actually test it as I only have Wifi but the regedit method certainly also changes the metered connection switch.

Anyway it is good is seemed to work. Let us know if it works (or...

Please see updated last post for a couple of workarounds to try - regedit (works for me on Wi-Fi) and gpedit.msc (a better bet I think).

Sorry our posts crossed - I was too slow updating :)

I supposed you checked this Wireless Network Metered Connection - Set in Windows 10 - Windows 10 Forums

I'm not sure how to solve your problem and make WWAN appear as unmetered so if these...