E-2043

Q: iOS 8 Wi-Fi problems

WI-Fi problems on iPad Air, iPad mini with Retina display and iPhone 5S after upgrading to iOS 8.

Typical results from OOKLA Speedtest before upgrade: Ping 17 ms, Upload 21 Mbps, Download 4.4 Mbps

Typical results after upgrade: Ping 39 ms, Download 2.9 Mbps, Upload 0.47 Mbps

iPad 2 with iOS 7.1.2 get 15 Mbps download and 4.4 upload on the same network.

Resetting network settings on the iOS 8 devices did not improve the performance.

Changing band on the router from 2.4 GHz to 5 GHz did give me back the speed on all devices.

However the speed occasonally drops on the iOS 8 devices, and the signal strengt can go from full til lost connection without moving the devices.

Also sometimes the Wi-Fi SweetSpots app report 0 mbps when the signal strenght is indicated as full and then suddenly go up to around 58 Mbps again.

It is almost like the device is trying to use cellular network that I do not have on the iPads before it suddenly switches back to Wi-fi nettwork again.

I am thinking about going back to my iPad 2 with iOS 7.1.2 that is working perfectly until the Wi-Fi issues are resolved.

 

Any help will be very much appreciated!

iPad Air Wi-Fi, iOS 8

Posted on Sep 20, 2014 9:17 AM

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Q: iOS 8 Wi-Fi problems

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  • by Philly_Phan,

    Philly_Phan Philly_Phan Jul 8, 2015 3:06 PM in response to old_chap
    Level 6 (13,576 points)
    iPhone
    Jul 8, 2015 3:06 PM in response to old_chap

    Contact baldy.   He'll explain it to you.

  • by Csound1,

    Csound1 Csound1 Jul 8, 2015 3:09 PM in response to don_wan
    Level 9 (51,402 points)
    Desktops
    Jul 8, 2015 3:09 PM in response to don_wan

    don_wan wrote:

     

    We have unfortunately been plagued by those with nothing genuine to offer themselves, calling out these posted "fixes" as examples where people have succesfully resolved the issues themselves, but without any actual evidence that the "fix" was not in fact just a temporary reprieve, and berating those of us who still have issues as they cannot accept even the very idea there might actually still be a real issue with iOS for some devices.

    If we are to believe you why should we not believe them. What makes you correct and all those others wrong? Sounds like sour grapes to me.

     

    I choose to believe them.

  • by don_wan,

    don_wan don_wan Jul 8, 2015 3:15 PM in response to old_chap
    Level 1 (0 points)
    Jul 8, 2015 3:15 PM in response to old_chap

    I have a 2gb download allowance on mobile plan and never get close to that over a month so use that to fill the gaps when wi-fi drops, do you not have cellular data?

  • by PS61,

    PS61 PS61 Jul 8, 2015 3:26 PM in response to don_wan
    Level 1 (4 points)
    Jul 8, 2015 3:26 PM in response to don_wan

    don_wan, I understand what you are trying to say as do most others here. Thank you.

     

     

    <Edited by Host>

  • by Philly_Phan,

    Philly_Phan Philly_Phan Jul 8, 2015 3:54 PM in response to don_wan
    Level 6 (13,576 points)
    iPhone
    Jul 8, 2015 3:54 PM in response to don_wan

    That's not what baldy said.  Get your stories straight!

  • by elcpu,

    elcpu elcpu Jul 13, 2015 2:42 PM in response to E-2043
    Level 6 (16,265 points)
    Photos for Mac
    Jul 13, 2015 2:42 PM in response to E-2043

    There is a very interesting article regarding Wi-Fi issues and Discoveryd reported on another Apple thread.  Re: ios 8.3 wifi problems with wifi??

    The post by David Shanahan, May 8, 2015, Page 7, provides the details and a link to the article. I hope iOS 9 provides some solutions to those affected.

  • by elcpu,

    elcpu elcpu Jul 14, 2015 4:21 PM in response to E-2043
    Level 6 (16,265 points)
    Photos for Mac
    Jul 14, 2015 4:21 PM in response to E-2043

    To anyone having Wi-Fi connectivity issues:

    Please see my post directly above. As reported by David Shanahan, Apple's DiscoveryD networking routine has been blamed for the Wi-FI problems some are having with both iOS 8 and OS X Yosemite. DiscoveryD was introduced with iOS 8 and was not present in iOS 7 (nor in Mavericks). I recommend that those interested first read the article Shanahan linked, but of more importance, on June 30 Apple released an update to OS X (10.10.4) and replaced DiscoveryD with its former routine mDNSResponder for "improved networking reliability". Details can be found here:

    http://www.macnn.com/articles/15/06/30/new.update.excises.troublesome.discoveryd .service.much.more.129295/

     

    I updated my MacBook Pro to 10.10.4 and I am having no Wi-Fi issues whatsoever, in fact I can keep Bluetooth and AirDrop enabled and still retain excellent download speeds. With iOS 8.4 (which still uses DiscoveryD) my download speeds on my iPad and iPhone degrade to less than 1 Mbps if I turn Bluetooth ON. The article above does not mention when DiscoveryD will be replaced with mDNSResponder on iOS, hopefully soon.

  • by Csound1,

    Csound1 Csound1 Jul 14, 2015 6:14 PM in response to elcpu
    Level 9 (51,402 points)
    Desktops
    Jul 14, 2015 6:14 PM in response to elcpu
  • by Stanky,

    Stanky Stanky Jul 14, 2015 8:40 PM in response to Csound1
    Level 1 (0 points)
    Jul 14, 2015 8:40 PM in response to Csound1

    Csound1 wrote:

     

    10.10.4 Connections Worse than Before Update

    All you do is tell other customers that they need to upgrade their router to resolve their issue, and insinuate how stupid they are if they don't agree with your advice.  That would be all well and good if Apple stated that their new OS's weren't compatible with certain routers, but they haven't stated that.  In fact, they appear to be trying to backtrack on certain code to rectify the issue.  I do agree that a router upgrade could rectify the problem, but I do not agree that Apple customers should have to go to that expense unless Apple (and not you) states that.

  • by Scottyboy99,

    Scottyboy99 Scottyboy99 Jul 15, 2015 1:40 AM in response to elcpu
    Level 1 (85 points)
    Apple Watch
    Jul 15, 2015 1:40 AM in response to elcpu

    I do agree that discoveryd is probably causing issues. I am not sure why it remained in iOS 8.4, hopefully it will be removed for iOS 9. I don't get wifi drop outs on my iPhone and throughput is reasonable. But ever since iOS 8 there are quirky behaviours. On Airplay I have Apple 2nd Gen and Airport Express (connected to hifi). I can swipe up control center on my iPhone and sometimes the airplay is there, other times it is not, or it may only show 1 of these devices and about 30 seconds later the other will finally announce itself. Sometimes they refuse to appear unless I turn off wifi on the iPhone and re enable it, then they faithfully show up. This never happened on iOS 7. And it never happens on my older iPad 2nd Gen or the iPad mini my wife has. I think there is something in the Bluetooth / airdrop / discoveryd causing issues on my iPhone. My iPhone has to have Bluetooth on all the time because I have the apple watch. I also like using an app for Western Digital 'My Cloud' to access my NAS drive. It was fine under iOS 7 but under iOS 8 on my phone it will be real slow intermittently navigating the folders, several seconds to load. But only within wifi environment, outside under 4G its all instant. So I think the airplay, discoveryd processes kicking in at home possibly cause this. I hope discoveryd is ditched and the old method is restored in iOS soon and these glitches go away.

  • by baldy1983,

    baldy1983 baldy1983 Jul 15, 2015 3:00 AM in response to elcpu
    Level 1 (0 points)
    Jul 15, 2015 3:00 AM in response to elcpu

    elcpu wrote:

     

    There is a very interesting article regarding Wi-Fi issues and Discoveryd reported on another Apple thread.  Re: ios 8.3 wifi problems with wifi??

    The post by David Shanahan, May 8, 2015, Page 7, provides the details and a link to the article. I hope iOS 9 provides some solutions to those affected.

    So is the problem the way Discoveryd "interacts" with certain routers?

  • by Csound1,

    Csound1 Csound1 Jul 15, 2015 4:54 AM in response to Stanky
    Level 9 (51,402 points)
    Desktops
    Jul 15, 2015 4:54 AM in response to Stanky

    Stanky wrote:

     

    Csound1 wrote:

     

    10.10.4 Connections Worse than Before Update

    All you do is tell other customers that they need to upgrade their router to resolve their issue, and insinuate how stupid they are if they don't agree with your advice.  That would be all well and good if Apple stated that their new OS's weren't compatible with certain routers, but they haven't stated that.  In fact, they appear to be trying to backtrack on certain code to rectify the issue.  I do agree that a router upgrade could rectify the problem, but I do not agree that Apple customers should have to go to that expense unless Apple (and not you) states that.

    I have no interest in your opinions, I consider you an uninformed source of information with a personal agenda.

     

    Have a nice day.

  • by Csound1,

    Csound1 Csound1 Jul 15, 2015 4:56 AM in response to Scottyboy99
    Level 9 (51,402 points)
    Desktops
    Jul 15, 2015 4:56 AM in response to Scottyboy99

    Scottyboy99 wrote:

     

    I do agree that discoveryd is probably causing issues.

    I'm glad that you settled that for us

  • by JohnnieThomas208,

    JohnnieThomas208 JohnnieThomas208 Jul 15, 2015 5:33 AM in response to jorjitop
    Level 1 (0 points)
    Jul 15, 2015 5:33 AM in response to jorjitop

    Same problem here! Thanks for help

  • by Stanky,

    Stanky Stanky Jul 16, 2015 8:00 PM in response to Csound1
    Level 1 (0 points)
    Jul 16, 2015 8:00 PM in response to Csound1

    Csound1 wrote:

     

    Stanky wrote:

     

    Csound1 wrote:

     

    10.10.4 Connections Worse than Before Update

    All you do is tell other customers that they need to upgrade their router to resolve their issue, and insinuate how stupid they are if they don't agree with your advice.  That would be all well and good if Apple stated that their new OS's weren't compatible with certain routers, but they haven't stated that.  In fact, they appear to be trying to backtrack on certain code to rectify the issue.  I do agree that a router upgrade could rectify the problem, but I do not agree that Apple customers should have to go to that expense unless Apple (and not you) states that.

    I have no interest in your opinions, I consider you an uninformed source of information with a personal agenda.

     

    Have a nice day.

    My agenda is to make sure Apple customers understand that a router that worked with iOS7x should also work with iOS8x, unless Apple states otherwise.  I'm not exactly sure what your agenda is, but it seems to be considerably less informed than mine, and is primarily designed to antagonize Apple customers.  Do you work for and/or have stock Android devices?

     

    Have a nice day.

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