I have yet to get mine to say LTE, just 4G. If there is anything i am disappointed in, it's my very slow speeds with AT&T even though their service map touts almost perfect LTE coverage where I live (south jersey). What's going on here? Is this a bad case of ST&T false advertising. How can I be the only one? I cannot find similar cases to mine online.
In my case, I came from the iPad 2 Wifi Only. I had the AT&T Tethering plan with my iPhone 4S though which was $45/m for 4GB of data + Tethering. With the new iPad, i decided to get the 4G LTE AT&T Version and so i dropped the iPhone plan down to 3GB for $30/m. Im starting with 250MB pe r month for $15. So all in all the dollar value stays the same, but i lose 750MB of data. All that being said, here is what I am REALLY upset about.
After taking a deeper dive into my speeds, I realized my new iPad will only show 4G, not LTE when not connected to WIFI around my area (I've taken it around town). After some research, I realized AT&T distinguishes 4G and 4G LTE as two separate things. This means, even though their map shows my entire area in 4G (what I justifiably interpreted at first as LTE), my iPad on AT&T network will only ever get their "4G" speeds. In my case, this is about 3MB down, and 2MB Up. Not the 5-25MBps Down promised by LTE, and no where near the 1GBps standard 4G was supposed to be.... My speed tests below on Wifi vs AT&T "4G" Needless to say, i may be exersising buyers remorse and grabbing a Verizon Model..
Like I said, the "4G" you're getting is probably just HSPA+ that iOS 5.1 now calls 4G. The iPhone 4S is not a 4G LTE device but now shows the "4G" symbol when in the HSPA+ or dual HSPA areas. This is probably what you have in your area instead of LTE.
I really haven't decided how long I'm going to keep this LTE plan. I have unlimited on my iPhone and will probably just figure out a way to deal with tethering and wifi. LTE speeds are awesome, though.