When is Lte going to be realeased on the iphone 5?

Ok i have an iphone 5 At&t 16 Gb black and slate factory unlocked and i been using it for tmobile so tmobile said that tmobile was going to give 4G lte if you had and iphone 5 unlocked and for att but my network is only 4G and i'm asking when are they going to release 4G LTE

Who knows, based on your area.

They're the same thing. When people say 4G, they almost always mean 4G LTE for phones.