Originally Posted by jem

I'd been having the on-screen message for a few days now, and the new card arrived yesterday. I'm in Bexley in SE London and I'm fairly sure I'm on the Seven Kings headend (ex-ntl). Popped the card in this morning and had all of the channels back within a few minutes. If it's still ok tonight-and I have no reason to expect otherwise-I'll bin the old card.

One thing I was curious about, do the new cards only decrypt the N3 stream, in which case my area must already be sending the channels using both the new and old encryption streams or are the cards 'backwards compatible' and can be used before the N3 stream is active?