Have the exact same issue.
laptop and android device I can sign into my virgin media. If I'm on ipad 2 the page just refreshes and asks for details again. been like this for weeks.
Using wifi connection direct to vm broadband
Created new thread
this was moved to an incorrect post, the problem isn't wifi/ connection.
The problem is using an ipad to view the myvirginmedia part if the site as it never signs in.
the issue does however seem to be resolved. Thank you.