Same here, Just got this new sim in post, Says it should take 10 mins to activate, I'm not even getting a signal bar with it. Does nothing at all. Doesn't ask for code either. And my phone is fully unlocked.
While I was onto the Virgin team via Text, I checked the post and there was a new sim card loaded and working, funny thing, this was sent the same day as the two other sims that didn't work, is this a commen problem, duff Sims?