I think that list was reported incorrectly, although it has been released in the USA for AT&T. It may arrive this month. I'm using the beta which is ok apart from contactless , but isn't too much of an issue as the Tesco app works for paying for shopping and fuel, so not all bad.
When the updates go out for a device, they go out in patches so this means not everyone will get the update. It will eventually come to you but you may need to wait a few days before you can jodehr
