[AusNOG] Apple iPhone5 Wifi connectivity problems - faulty Apple wireless chipsets?

[Matthew Maxwell]

Your wifi doesn't have the mobile device power saving stuff on does it?

Sent from my iPhone

On 07/01/2013, at 9:26, Bevan Slattery <Bevan.Slattery at nextdc.com> wrote:

> Hi everyone happy new year.
>
> I've tried to post this twice to the Apple Support Forums but they seem to
> not like it.
>
> https://discussions.apple.com/thread/4679816
>
> I was wondering if anyone on AUSNOG is having the same iPhone5 Wifi issues
> and if so, please contact me off-list.
>
> Could be nothing, could be something.  The fact Apple keep blocking my
> posts is a bit bizarre too.  Maybe they didn't like the tag
> shame-on-apple? :)
>
> Ta
>
> [b]
>
> BACKGROUND:
>
>
> iPhone 5 with IOS6 and had nothing
> but Wifi problems.  Home network not working (despite being upgraded to
> latest firmware).  Intermittent access while overseas in US hotel (all
> my other devices were fine) and access to my mifi was generally Ok.
> Back home and upgraded IOS 6.02 keen to get this disaster sorted.  Still
> doesn't work.  Reset my network settings, still doesn't work.  turned
> off LTE, still doesn't work.
>
>
> POSSIBLE SOLUTION:
>
>
> After
> a ridiculous amount of grief, I had all put totally given up.  I read a
> post  about the fact that the person could connect on his work 5Ghz
> network and decided to go to the config of my wifi access point to see
> if I could "turn off" the 2.4Ghz option and just leave the 5Ghz option.
> Not an option.  I use a Fritzbox (really happy with).
>
>
> But
> while I was playing around in the wireless options, I noticed that my
> 2.4Ghz frequency transceiver was set to the recommended channel setting
> of "autoselect".  Autoselect seemed to be selecting channel "1" on the
> 2.4Ghz was in use by three other wifi's around here.  The wireless
> settings page (which is really good on the Fritzbox) showed that
> channels 1-7 were in use by other access points, but 8-14 were clear.  I
> over-rode the automatic channel selection and selected Channel "10",
> hit "save this setting" and then BAM! MY IPHONE CONNECTED TO WIFI FOR
> THE FIRST TIME AT HOME!!!
>
>
> Now I appreciate at this
> stage it doesn't make much sense and it maybe illogical, but it would
> appear that on my iPhone (at this stage and it's only been an hour)
> that either going "manual" instead of automatic channel select or
> selecting a "clear" channel on my access point has resulted in my iPhone
> locking onto Wifi (or both).
>
>
> Maybe iPhone 5 has a
> problem with access points that do certain "handshakes" on automatic
> channel selection (which doesn't quite make sense because its already
> made the channel selection) or maybe it has a problem in the "channel 1"
> band of 2.4Ghz (which could mean a faulty piece of hardware in the
> wireless chip - which could be why Apple have kept quiet), or maybe it
> doesn't like "sharing" channels or maybe the wind just changed direction
> and it decided to work.  But I had to share this in case this actually
> works with anyone else.
>
> Be keen to see if this works for
> anyone else and I have my fingers crossed that it keeps working and this
> wasn't some fluke and it falls back.
>
> FURTHER RESEARCH:
>
> I've
> done some research on this  and it appears that everyone who is having
> problems with Wifi connectivity on the iPhone5 appear to have an Apple
> WIFI chipset.  Not all Apple Chipsets are having problems but all the
> problems seem to be with the Apple Chipsets (only brief research
> conducted).
> Intel Wifi/Wireless Chipsets seem to be fine.
>
>
> My Wifi
> Chipset MAC address on my iPhone started with 34:C0:59 (which is listed
> as Apple).  Can I ask that you enter your MAC address (by going into
> Settings>General>About and scroll down to Wifi Address) into this
> website and see which chipset you are using (Apple or Intel).
>
>
> http://curreedy.com/stu/nic/
>
> Keen
> to know if it's the Apple Wireless Chipset.  Please post the following
> if you are having problems and whether this solution worked:
>
>
> [example]
>
> Problem:  iPhone5 can see wifi access point but can't connect
> MAC Address (only need first 3 hex codes) 34:C0:59
> Chipset Manufacturer (enter into site above):  Apple
>
> I'd be keen to also see if the people having bluetooth problems are also
> using Apple Wireless Chipsets too.
>
> Thank you!
>
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