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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. seh6183's Avatar
      seh6183 -
      Has anyone considered the fact that the speedtest app may be inaccurate. The app has seen a lot of attention lately and maybe people are using the heck out of it and hammering the speedtest servers. This needs a closer look.
    1. HarlemState's Avatar
      HarlemState -
      "Speed Test" app in appstore,
    1. brokentwice's Avatar
      brokentwice -
      490/65

      here.


      I have noticed that the Speeds of which I could use youtube and search webpages and facebook uploads was REALLY slow this past Week.


      if these are the speeds then maybe the Data plan should be 9.99 for 250 cap and 14.99 for the 2GB cap.



      EDIT:


      Might be the servers as I tried the test with WIFI on and the speeds are all over the place...

      900 down by 5400 up


      might be something with that app..

      but I have noticed a slow down regardless
    1. Punisherrrrrr's Avatar
      Punisherrrrrr -
      You guys should not touch your iPhone while the test is running
    1. bavdrftr318's Avatar
      bavdrftr318 -
      2.2 down
      1 up

      Ten minutes later

      .3 down
      1 up

      Why the difference?!?
    1. punjabi212's Avatar
      punjabi212 -
      Manhattan (NYC)
      DL: 970 kbps
      UL: 199 kbps
    1. jkmonkey's Avatar
      jkmonkey -
      1341kbps down
      253kbps up
      In upstate NY on a 3GS. That's what I've consistently gotten since I got the phone, so all seems good here.
    1. x2dope's Avatar
      x2dope -
      It could be the app but like another poster said I have noticed a huge drop especially on youtube. I use to have a JB 3gs and used 3g unrestrictor with youtube for high quality playback on 3g and it always loaded no problems and no stuttering at all. Now when I play a youtube video on 3g with no jailbreak and the ****** quality over 3g it takes a while to start and stutters while its trying to download the rest of the video. I use to love att around where i live but maybe the droid x or droid 2 is worth it since att has shitted up the network where i live over the past year.
    1. ultimatexpka's Avatar
      ultimatexpka -
      iPhone 3GS SpeedTest in San Marcos, CA
      Over 3g

      Download
      Average:443 Kbits/s
      Max:638 Kbits/s

      Upload
      Average:158 Kbits/s
      Max:167 Kbits/s

      I get 2-3 Bars in this area, ATT reception sucks really bad here, and this is without my powermat case, if I use my powermat case sometimes it can go below 2 bars and switch to edge instead, which is even slower.

      Download
      Average:88
      Max:88

      Upload
      Average:46
      Max:46

      I hate ATT and their BS coverage.
    1. iphonerookie's Avatar
      iphonerookie -
      When I bridge the antennas on my iPhone 4 neither edge or 3G work. It stops dead in it's tracks. When I stop the bridge bam! Back to working fine. What's up with this? Should I just return to apple store for an exchange?
    1. x2dope's Avatar
      x2dope -
      i think we should all boycott this POS iPhone 4. I have a bumper on the way but i am seriously considering selling my iPhone 4 for 600 to 700 on eBay and canceling att and going over to verizon for a ****** *** droid but at least they have reception and a network that works.
    1. smittyjf's Avatar
      smittyjf -
      Less than 100kbps up...
      Down is good at 2800kbps
    1. scgmilan's Avatar
      scgmilan -
      Quote Originally Posted by x2dope View Post
      i think we should all boycott this POS iPhone 4. I have a bumper on the way but i am seriously considering selling my iPhone 4 for 600 to 700 on eBay and canceling att and going over to verizon for a ****** *** droid but at least they have reception and a network that works.
      I feel you there bro...I feel exactly the same way
    1. Shanks12's Avatar
      Shanks12 -
      using a 3G on iOS4

      Indianapolis, IN

      WiFi - 2.72 mbps Down - .91 mbps Up

      3G - 1.17 mbps Down - .20 mbps Up
    1. sandstorm77's Avatar
      sandstorm77 -
      1237 kbps DOWN
      211 kbps UP

      on my ipad......

      these are terrible speeds.
    1. scgmilan's Avatar
      scgmilan -
      BTW I'm getting:

      1.33 mbps down
      50 kbps up (no that's not a typo)

      Last week I was getting about 1-1.5 mbps up
    1. lividian1's Avatar
      lividian1 -
      Check out the change after the 30th the results are in Mbps.
      I'm in Harrisburg connecting to a Philly server

    1. x2dope's Avatar
      x2dope -
      Quote Originally Posted by scgmilan View Post
      I feel you there bro...I feel exactly the same way
      I want my damn 3gs with my jailbreak back! iOS 4 is 100% over rated compared to a jailbroke 3gs running 3.0 to 3.1.3! What was I thinking when I sold my 3gs!

      Quote Originally Posted by lividian1 View Post
      check out the change after the 30th the results are in mbps.
      I'm in harrisburg connecting to a philly server

      pretty dang conclusive if you ask me guys!
    1. justinwinter's Avatar
      justinwinter -
      i think i may be affected (I'm in Fresno connected to a server in Modesto...about 90 minutes away)
    1. ZOMGVTEK's Avatar
      ZOMGVTEK -
      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...