Sprint in Denver, Colorado - so far, so good
EDIT / UPDATE: The speeds posted below appear to have been the best I got while using the iPhone. I posted updated speeds later in the thread. (There are cell repeaters on top of the apartment towers I live in, hence the higher speed in this post.) Around town, I was getting a consistent 0.01-0.4 MBPS, which resulted in very poor performance. I will be returning the phone soon and will be crawling back to AT&T with my tail tucked between my legs.
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My iPhone 4S arrived today. I have been lurking in these threads on Macrumors and on the Sprint forums and have been wondering what my results would be. So far, I'm very happy. Siri doesn't lag in responding, web pages show no noticeable difference from my previous iPhone 4 on AT&T. Here are the results of my Speed Test:
My past data usage on AT&T varied greatly from month-to-month, but always clocked in at lowest usage just over 2GB. (Constant radio streaming, using apps like GPS drive which streams maps, social networking.) Considering the fact that the data usage trend will only grow as apps like Spotify emerge, I think it's important to support a carrier that still offers unlimited data. Let's hope it lasts.
Guys and gals in other parts of the country that are experiencing slow data on Sprint - I feel for ya! Hope it gets better, or at the very least that Sprint will communicate with its customers about the issue.
The real test for me will come during a large event at Invesco field / Coors field. During Broncos games, I could hardly get a single call out on AT&T ... when I did it would be dropped.
I will update this thread (and others I've been lurking) if the speed seems to drop off.