Yes its actually HSDPA+ I'm getting, my phone is 7.2 compatible. AT&T/SPRINT/VERIZON 3G/4G speeds don't even come close or consistent with the 3G speeds I'm getting on T-Mobile. That might change with DIGICEL wimax tho..
Here's a video showing how the tests are
http://www.youtube.com/watch?v=fIw82...eature=related
and a more recent one
http://www.youtube.com/watch?v=WtBrE...eature=related the upload is faster than my home internet lol
I suggest you call lime and complain. My friend has the iPhone on LIME 3G and he getting around 2000kbps, consistently in Kingston.