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  • "3.5G" iPhone 4 Blazes (Where Supported)


    With little fanfare, Apple has added High-Speed Uplink Packet Access (HSUPA) support to the iPhone, and it significantly improves performance. A report in ZDNet over the weekend indicated about 60% faster downloads and a 500% in upload throughput. The results will vary depending on the support for HSPA on the local AT&T cell: in Boston, I'm getting about double the download throughput I used to get with my iPhone 3G, and somewhere between eight and ten times the upload. Zowie.

    The iPhone 4's support for HSUPA as well as High-Speed Downlink Packet Access (HSDPA, which was also supported by the iPhone 3GS) makes it Apple's first "3.5G" phone. AT&T is using HSPA as an evolutionary step towards its 4G LTE network which will begin deployment in 2011. The carrier has begun testing its advanced 3.5G network, capable of up to 7.2 Mbps downloads, in six cities - Charlotte, Chicago, Dallas, Houston, Los Angeles and Miami - with 19 more to come by sometime this year. HSUPA adds an additional transport channel called the Enhanced Dedicated Channel (E-DCH), which will allows for uploads as fast as 5.8 Mbps.

    ZDNet did their testing out in Louisville, Kentucky which - though not a major city - has a solid network: they saw downloads in the 2 to 4 Mbps range and uploads consistently around 700 Mbps. Gizmodo tested the iPhone 4 in New York, with its notoriously congested network, and still found 5 to ten times improvement in uploads.
    This article was originally published in forum thread: "3.5G" iPhone 4 Blazes (Where Supported) started by Paul Daniel Ash View original post
    Comments 81 Comments
    1. PhxBlue's Avatar
      PhxBlue -
      We are seeing some 3.5G here in the Phoenix/Valley area in AZ. Its super nice!

    1. TheOrioles33's Avatar
      TheOrioles33 -
      Nice! Im getting 2,123kbps right now in central CT. Cant wait!
    1. gafu's Avatar
      gafu -
      hmmm,interesting
    1. PlatoTheForms's Avatar
      PlatoTheForms -
      That's really great. . I've also seen tests of att's 3g network vs sprint's 4g with htc evo, and the difference is not so much, the iphone 4 even wins in some cases. It all depends on the area that one resides.
    1. sparko's Avatar
      sparko -
      I average 3200 to 4800 Kb/s in Winnipeg, Canada on my 3GS. It'll be interesting to see if there's any increase to those rates once the iPhone 4 is available.
    1. rhekt's Avatar
      rhekt -
      Good to see improvements where it lacked previously
    1. staterunner180's Avatar
      staterunner180 -
      Bahaha, instead of making already fast speeds faster, why doesn't AT&T expand their network? My dad has the 3G through his work and at best he gets 2 bars and Edge at home, and WiFi isn't fast either because we are stuck with satellite internet out here, 1 Mbps, at best.

      Speaking of my dad's work, he says that he and all other managers at Sunbelt Rentals might be upgraded to iPhone 4. They have about 320 stores nationwide and about 5 to 6 iPhones per store. You do the math, that is a lot of iPhone 4. It makes me wonder; if Apple can barely keep up with consumer demand, then how are the possibly going to be able to give all the corporate companies the iPhones they need? Just a thought
    1. bsltiger's Avatar
      bsltiger -
      Isn't the 3G[s] compatible with the HSPA 7.2?
    1. pwntbywombat's Avatar
      pwntbywombat -
      yes, the 3GS will do 7.2 down, but it still limited to 384KB up. The iPhone 4 supports 5.8mbps up. I see 3.2 down and 1.5 up in pittsburgh. Im happy with that for now.
    1. adp's Avatar
      adp -
      2Mbps down in South Florida...nice
    1. evolasme's Avatar
      evolasme -
      I found it weird that when i got my Iphone 4 and switched to the Mini-sim the carrier logo went from "T-mobile" to "telekom.de"... Now its starting to make sense as i never got speeds like this before. not as fast as some but ill try some other servers. but still not bad

      Guess i should mention im in Germany =0)


    1. nomad707's Avatar
      nomad707 -
      Im in Houston and my best results are so far are 2986k and 1282k.
    1. CaptainChaos's Avatar
      CaptainChaos -
      I can't wait until 2015 when AT&T has 3G continent wide.
    1. lsixecho's Avatar
      lsixecho -
      Quote Originally Posted by pauldanielash View Post
      ZDNet did their testing out in Louisville, Kentucky which - though not a major city - has a solid network: they saw downloads in the 2 to 4 Mbps range and uploads consistently around 700 Mbps.
      700 Mbps!? Now that's fast. I assume that's a typo?
    1. LastSonOfKrypton's Avatar
      LastSonOfKrypton -
      Awesome! Hey AT&T, how about you focus on getting 3G to your customers who don't have it before you worry about 4G? Try catching up to Verizon in 3G coverage first!

      Ugh, I essentially live along the NY State Thruway more or less and I live in the one area of the thruway without 3G. It's about a 60 mile stretch with no 3G and yeah, my area isn't the most populated but jeez!

      One of the mods on here knows where I live (I forgot who though)
    1. justinpotter81's Avatar
      justinpotter81 -
      During a thunderstorm, still getting decent speeds on my i4....2.2mbps down and 1.3 up. Straight out of Dallas
    1. DarkDragonAn's Avatar
      DarkDragonAn -
      My wife has tha htc evo and browser is really fast it feel like she is on wifi, it is that fast the web pages on the spot the loading time is about 3 to 4 seconds maybe more but is fast on 4g and my iphone 4 move fast but not as fast as her's. I feel a little jeolous.
    1. topless1967stang's Avatar
      topless1967stang -
      Wow.. Gee.... on the 23rd when I got my iPhone 4 I posted a reply in the iPhone 4 Review article that I got got 500% faster download speeds on the AT&T network. Wow.... great idea on an article. I should start writing articles and reviews.
    1. alex1000's Avatar
      alex1000 -
      Also in Dallas and am seeing 2.0 mbps down and 1.2 up.
    1. VBLUE42's Avatar
      VBLUE42 -
      Ocean Springs, MS. Not bad for this area.