I keep reading differing views on this. Can anyone confirm whether buying a sealed iphone from Carphone Warehouse will lock to the 1st sim inserted and activated, or would it be locked to t…

I'm trying to get a feel for the best in-store deals for Arkham city. I pass Sainsburys on the way to work, and they're selling for £34.99. So far then: Sainsburys £34.99 Tesco £30 when b…