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Fixed my slow iPad Wi-Fi issue, here is what I found...

545243 Views 175 Replies Latest reply: Apr 16, 2014 5:04 PM by Vjamora RSS
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CM2010 Calculating status...
Currently Being Moderated
Apr 12, 2010 6:50 PM
I believe the iPad may have a issue if the router's QoS (Quality of Service) is enabled. I have a Linksys WRT300N router and when I disabled the QoS my download speed went from ~500Kbps to ~13000Kbps. This QoS setting does is not affecting my iPhone and iPod devices, only the iPad.

I have not experienced any signal issues, so I don't know if this will resolve those issues. I have informed Apple of my findings. QoS is a common feature on many routers, so if you are experiencing Wi-Fi issues please disable QoS in your router and let everybody know if this fixes your problem. Please report back your routers make/model and where to find the QoS setting.

If your were experiencing signal issues and after applying this patch resolves those issues please let everybody know by responding to this thread.

< Edited by Host >
Mini, Mac OS X (10.6.3)
  • jjbeckstrom Calculating status...
    I was having issues with slowness on my 16GB iPad and my WRT300N v1.1 router. I was only getting about 2-3MB. I noticed that turning the mode from mixed to G only fixed the problem. But since the whole point of an N router is the N, I tried your method. After disabling the WMM Support under the QoS tab (with the mode back in Mixed), I was able to go back to enjoying N band and my full 10MB download speed. Great find!
    iPhone 3G, iPhone 3GS, iPad
  • powerguru Level 1 Level 1 (5 points)
    wow! It fixed my slow speeds too. I am back in mix mode.

    My router is WRT160N ver 1. with firmware 1.02.2. I went to "Applications and Gaming" under my router settings and then QoS and disabled. and changed my router to MIX mode. works extremely good.

    I also tried N only mode and works amazing fast. for now I am using mix mode for other G clients.

    Thank you very much JJBECKSTROM. May be I will call Apple and let them know.
  • powerguru Level 1 Level 1 (5 points)
    Apple products and QoS. BTW, QoS is important for applications such as Voip. I think this is a software issue, which Apple will surely fix it.

    SEarch for "QoS Apple" on google. you will see Apple's lack of support for QoS.
  • powerguru Level 1 Level 1 (5 points)
    Thank you CM2010!!
  • impedance2 Calculating status...
    powerguru wrote:
    which Apple will surely fix it.


    When????? Not to be mean (I respect Apple) but do they recognize this as an issue? It seems like this is taking a long time. I would be happy just to hear an offical "we are working on it"

    sorry for the rant...
    n/a, n/a
  • powerguru Level 1 Level 1 (5 points)
    When I said"Which Apple will surely fix it" I assumed this could be a minor issue for company like Apple to fix via software update. sorry about the confusion.

    Also, I read the Airport extreme router does not support QoS (Quality of Service).
  • DrVenture Level 2 Level 2 (180 points)
    You guys do realize though that the 802.11N spec says you must support QOS/WMM in order to do 802.11N rates. You guys might be taking your N router and making into a A/B/G router.

    You can check this fairly easily with a wireless sniffer (wireshark) or connect a Macbook to the same network and option+click the AirPort Menu Extra (the radar bars). See what rate you are connecting at.
    Snow Leopard and yes my wireless works., Mac OS X (10.5.5)
  • powerguru Level 1 Level 1 (5 points)
    ok from whatever I read, Apple extreme routers dont support QoS.


    "You guys might be taking your N router and making into a A/B/G router."

    I dont think so, I put my router into "N only" mode and then turned off QoS, I could connect Macbook (which is N) and iPad (which is N too) but not my iPhone 3GS (which is G). And the speed was 20mbps on both macbook and iPad, which is what I get on my router., but I moved back to G only mode and turned on QoS.
  • ahurst Calculating status...
    This worked for me. Thanks.
    I have a Linksys WRT310N router and was getting horrible DL and great UL speeds.

    I have 50MBps internet and was only getting 1 MBps DL with the iPad.

    I went into the router settings and disabled WMM/QOS and this worked.

    I did leave mine set to N-only.
    iPad, iOS 4
  • ice_manz Calculating status...
    Im having the same problem here. Im using an Apple Time Capsule as my wireless router. It's giving me a slower DL speed on my iPad compared to my iMac and Mbp.

    I can't seem to find the option to disable that QoS... My temporary solution to my problem is renewing the lease on my connection in iPad. But this gets annoying as I always have to repeat it from time to time.

    Any help would be appreciated.

    Also, I've already updated to the latest 3.2.1 and I dont have any issues with wifi signal since Im always getting full bars...
    MBP 17", Mac OS X (10.4.10)
  • Salome Calculating status...
    I have been traveling with my son's brand new iPad. Wifi is practically non-exsistent, it always times out, looses signal. I can get e-mail fine but searching the internet for information is impossible. The old telephone line would be faster! I tried the Apple solutions and haven't solved the problem. Resetting MY router doesn't help when traveling and they should able to negotiate various routers! My MacBook Pro picks it all up fine, side by side with the iPad, so it is not the speed of the signal (blaming it on someone else?). I have been using Mac's since 1990, I have come to expect better from Apple. A lot of money to spend on an iPad when I could have given him my titanum Powerbook!
    G5, Mac OS X (10.4.10), Note: had to post from MacBook.
  • Jerry Duwall Calculating status...
    This worked for me to! My internet on my iPhone 4/ iPad is more than twice as fast! I can finally watch YouTube, lol.
    Macbook, 2.2 SR, Mac OS X (10.5.1)
  • Crossrock Calculating status...
    Neither of the routers I use have QoS

    Thomson Gateway Tg782t (Bigpond)
    Airport Express
    MacBook Pro 15" 2009, Mac OS X (10.6.6), MB 13" 2010 , ipad 64 wifi 2010, Macbook Air 2011 11", iphone 3g, ipod classic
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