This is probably old news for some of you guys, but I had to write about it because I was still very confused if it did work or not. And I'm sure some of you out there are still confused as well. Some of the older sim cards will not work on the Nexus 5 so I ended up purchasing a new one which cost me $25 and $10 to activate it. 5 minutes later I was up and running enjoy my new Nexus 5. So there you go, no more confusion. It does work and I'm happy as hell with it. Happy Holidays folks.