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

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)

Posted on Apr 12, 2010 1:32 PM

Reply
218 replies

Oct 21, 2014 4:04 PM in response to TheEnglishSquid

You should probably read up on the differences between 2.4 & 5 GHz. I assumed at first that 5 would just be better. Turns out that it is, if you are in an area where there are lots of wireless signals that cause interference in the 2.4 band (which can result in lots of retransmissions and slower speeds due to packet loss). However, because the waves of 5 GHz are tighter than 2.4, they only travel half as far. If you want good coverage and greater distances, 2.4 is better. That said, if your device will only connect at 5, then you still have that option. I'd be surprised if that were actually the case though. I have quite a collection of both old and new devices and they all can connect at the 2.4 level.


Hope that helps.

Oct 21, 2014 4:48 PM in response to CM2010

I have a Cisco WRT160NL this started after I upgraded to IOS8 sluggish behavior not only on IPAD3 but also Iphone.
Once I disabled QOS WMM support it worked perfectly however not having QOS in the house means no traffic prioritization when comes to VOIP and other services.

Thanks CM2010 it worked for me and waiting for Apple to do something about this.


Kind regards,

Saul

Nov 14, 2014 9:05 PM in response to CM2010

I had a similar issue with the Linksys E1500 and my iMac. The solution was to change the WPA2 Personal password and/or network name.


The problem was that I gave my new router the same name/password as the old router, which then incorrectly assumed that the WiFi network password was a different type of encryption (old cached value) - not 100% sure, but something like this.


Another tip: go into the modem settings, QoS and disable WWM. You can also test which band gets the best signal in your house. Some recommend 1, 3, 6, 11.

Apr 1, 2015 12:11 PM in response to CM2010

HI

just I just off the phone with my ISP Rogers Cable in Canada. I was challenging customer service to have the same download speed for mu iPad as my windows 8 laptop. I was told to use the G5 network connection, versus the 2.4. Ie if your network name is network1, then network1 is the 2.4 and the network1 5G is the 5G. Using the speedtest.net app my download over wireless went from 24 to 60 - 70 kb after this change. This only works if you can se the 5G network from your device. I believe it works on iPhone 5 and above and all iPads. No guarantees

Apr 26, 2015 5:13 AM in response to thompsrr

Hi,

The maximum download speed I get from my iPad mini retina is almost half that of my iPhone and macbook. My ISP gives me 60mbps internet, however i only get around 30-40 on my macbook air and iPhone 5c and this tends to fluctuate to lows of 10. But on my iPad I only get around 10-15 average this can go up to 40 but rarely does.

I know my wi-fi router is the bottleneck as always get 60mbps download when on ethernet. It is a stock CBN cable modem router literally in the same room as where i use my iPad, and I also live in a building with 15 other routers from the same ISP running on 2.4ghz. Could it be interference or compatibility issue with the router and the iPad?


All software has been updated.


Any help would be thoroughly appreciated

Jul 30, 2015 3:11 AM in response to keithfrommarietta

Thanks for the suggestion. I logged into my new BT Home Hub 5. and followed the instructions below. Now I am getting 30Mb/s on both the iPad 2 and on my iMac, whereas I was only getting 3-5Mb/s on the iPad before.


I have problems connecting 5GHz and dual band devices wirelessly to the BT Home Hub 4 or Hub 5


The BT Home Hub 4 and Hub 5 are dual band with two wireless frequencies for devices to connect to: 2.4GHz and 5GHz. On both Hubs, the default setting has the same network name (or SSID) for both the 2.4GHz and 5GHz bands. Connecting a typical 5GHz-capable device to this single SSID will automatically connect the device to both the 2.4 and 5Ghz frequency at the same time.

However, not all dual band devices behave the same way and some device software does not cope well with a single SSID for both frequencies.

As a result:

  • the device may not connect wirelessly to the Hub
  • it may not connect to 5GHz frequency even in the same room
  • the wireless connection might be intermittent
  • the wireless connection might be very slow

Devices where there are known to be problems include:

  • Some Apple devices including iPhone 5 and Apple TV
  • some Android smartphones
  • Xbox

For some devices you can solve this problem by having different network names (SSIDs) for the 2.4GHz and the 5GHz bands. To set this up, follow these steps:

  1. Open your web browser on a device connected to the Hub and go to bthomehub.home. This will open the Hub Manager
  2. Click on Advanced Settings and enter your Hub admin password when prompted. Unless you've changed it, you'll find the default Hub password on the Hub settings card
  3. Click on Continue to Advanced Settings
  4. Click on Wireless
  5. Click on 5GHz
  6. Change 'Sync with 2.4 Ghz' to No
  7. Change the 'Wireless SSID' to a new name (we recommend just adding '5GHz' to the end of the existing SSID name so you'll know which one is which)
  8. Click Apply to save the changes

After a few minutes you should see two BT Home Hub SSIDs in the list of networks on your device. All of your devices will still automatically connect to the original SSID name, which will be the 2.4GHz.

If you have existing dual band devices you want to connect to 5GHz only, you'll need to connect them to the 5GHz SSID that you've renamed.

Even though wireless speeds at 5GHz can be significantly faster than 2.4GHz, the range of a 5GHz connection is not as good. As a result, you may need your device closer to your Hub (than you'd need to when using the 2.4GHz SSID) to get the best performance possible.

Jun 9, 2016 1:44 AM in response to CM2010

Not sure what router you're using but I had the same issue when I received my BT hub.


BT flick between 2.4ghz and 5ghz networks in the default settings and it seems this doesn't suit the Ipad!


I logged in to the advanced settings on the router - stopped the sync between the two networks and renamed them with 2.4 and 5ghz at the end giving individual passwords for each.


I connected my ipad to the 5ghz network and bingo! Now getting over 50 download and 10 upload wheres as before they were almost nothing!


Hope this helps!


Ben

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

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