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  • Is AT&T Capping Your Upload Speed?


    Reports are spreading that upload throughput over 3G is being throttled, in many cases to as little as 100 kb. [ame="http://forums.macrumors.com/showthread.php?t=960232"]MacRumors[/ame] and Gizmodo are both reporting the speed test results of users on their forums, and complaints have been appearing on Apple's Support forums as well. The throughput drops are are especially noticeable given that many users had specific data of much improved uploads using the iPhone 4, and have fed speculation that AT&T has imposed caps. Neither Apple nor AT&T have returned requests for comment as of this writing.

    When the iPhone 4 was released, users (including me) found a dramatic throughput increase, particularly on uploads. Support for HSUPA improved uploads to 1.5 Mb/s or greater where iPhone 3GSes were getting a maximum of 384 kb/s. Over the weekend, though forum users began posting on MacRumors that uploads had been throttled hard. Users in areas throughout the US were seeing the slowdown, with reports coming in from major metropolitan aareas like New York/New Jersey, Suffolk County/Long Island, Boston, Las Vegas, Houston, Philadelphia/South Jersey, Denver and Washington D.C. as well as smaller cities like Columbus, Cleveland, Northern Colorado, St. Paul, and Kansas City.

    I tested my throughput using the Speedtest.net app at the beginning of last week and saw uploads in the 1.2 Mb/s range. Today I'm seeing the same, and I'm just north of downtown Boston. So there's a possibility that what was seen was a temporary overload of AT&T's network due to people uploading a lot of holiday videos to Facebook, or another AT&T FAIL. We'll have to see what develops, and what AT&T's response is, but meanwhile, please let me know what your upload speed is in comments, especially if you have before/after comparisons from last week.
    This article was originally published in forum thread: Is AT&T Capping Your Upload Speed? started by Paul Daniel Ash View original post
    Comments 94 Comments
    1. jordbrett's Avatar
      jordbrett -
      Well here are my test results in NYC and I just tested right now. Download 2584 and upload 93. I tested 6/28 and my download was 2263 and my upload was 1185. So something is def up! Even my wifi up went down from 1819 to 251....
    1. bruinsrme's Avatar
      bruinsrme -
      Quote Originally Posted by ZOMGVTEK View Post
      I just ran several tests in a row, speedtest.net app to the NY, NY server from Buffalo, NY...

      DOWN: 1.5Mbit -> 2Mbit
      UP: 1.0Mbit -> 1.5Mbit

      Everything looks good here...
      Must be fixed.
    1. businesssuit's Avatar
      businesssuit -
      Here in St. Louis MO is 0.54 down mpbs, 0.06 upload mpbs
    1. GellBrake'rrrr's Avatar
      GellBrake'rrrr -
      Mine were 728and 928 . I never checked it without wifi previously, so I'm not sure what my digits were on my 2nd most anticipated waiting day for apple though. But just to clarify my location..... "Go Cowboys"!!!
    1. bbplayer5's Avatar
      bbplayer5 -
      1.7-2.5 down
      28k up


      Allentown PA
    1. whereswaldo's Avatar
      whereswaldo -
      I find my up is always slower than my down
    1. CaptainChaos's Avatar
      CaptainChaos -
      Quote Originally Posted by scgmilan View Post
      Why don't you go back to honda-tech and STFU?

      I don't think anybody on here bought a 3G phone in order to have speeds that were not impressive 2+ years ago.

      AT&T charges a lot more for their service plans than ANY other carrier, and as a result, their network should be at least marginally better at the minimum, but really it should be significantly better since it's so expensive.
      You haven't done any compairison shopping lately then. The only network here that has better prices than anyone else is Tmo. They have to be cheaper because their network is tiny. Verizon may have a 'bigger' 3G network, but most of their speeds are a little better than AT&T Edge speeds. I have tried them all, including Sprint, due to my job. The only network that works everywhere for me is AT&T.

      Quote Originally Posted by whereswaldo View Post
      I find my up is always slower than my down
      It will always be like that. No matter what ISP you use.
    1. wiltok's Avatar
      wiltok -
      I just called att to complain that I am not getting data a LOT of the time (both Iphone and Ipad) in downtown Chicago (see earlier post). They credited me $50 - it's something!!
    1. farfromovin's Avatar
      farfromovin -
      I drove up I5 from OR to the top of WA today and did speed tests along the way. Seems to have been capped at 100kbps in Portland, Olympia, Tacoma, Seattle, and Everett. Thanks ATT.
      --To those arguing why anyone would need 1mbps uploads? Well, I made some nice videos with my 4G this weekend and was trying to upload movies made with iMovie. Try uploading a 2min movie in 720P through pixelpipe with 100kbps...
    1. millermil121's Avatar
      millermil121 -
      --------------------------------------------------------------------------------
      I don't want to hear any ********! I just got 145 max down, 46 max up and 414ms latency.
    1. Luigi453's Avatar
      Luigi453 -
      3.3 mb down
      1.5 mb up

      Massachusetts south shore
    1. mj0528's Avatar
      mj0528 -
      2.4 down and 1.2 up

      Mbps that is
    1. 7th_s!Gn's Avatar
      7th_s!Gn -
      Los angeles, califas
      0.83 Mbps down
      0.21 Mbps up

      What is ping!? I got 582 ms
    1. Happy Noodle Boy's Avatar
      Happy Noodle Boy -
      Quote Originally Posted by farfromovin View Post
      I drove up I5 from OR to the top of WA today and did speed tests along the way. Seems to have been capped at 100kbps in Portland, Olympia, Tacoma, Seattle, and Everett. Thanks ATT.
      --To those arguing why anyone would need 1mbps uploads? Well, I made some nice videos with my 4G this weekend and was trying to upload movies made with iMovie. Try uploading a 2min movie in 720P through pixelpipe with 100kbps...
      Considering that's more of a loophole than intended use, I wouldn't use it as an argument. iMovie and the Camera app compress anything to standard def when you upload to YouTube/elsewhere for a reason. 2 minute movie would be around 150mb. Upload it from a laptop/pc once you're home, I doubt you absolutely NEED to upload said video on the go.