I hate to say it, but this sounds like a bug in qnam/qtbearer I have been chasing where the default configuration does not get switched back from wifi to an already/still connected mobile data connection.
Perhaps https://bugreports.qt.io/browse/QTBUG-49760 or https://bugreports.qt.io/browse/QTBUG-49581 perhaps?
I hate to say it, but this sounds like a bug in qnam/qtbearer I have been chasing where the default configuration does not get switched back from wifi to an already/still connected mobile data connection.
Perhaps /bugreports. qt.io/browse/ QTBUG-49760 /bugreports. qt.io/browse/ QTBUG-49581
https:/
or
https:/
perhaps?