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iPhone 4 cannot connect to home Wi-Fi

796371 Views 678 Replies Latest reply: Apr 10, 2014 10:01 PM by WilliamDA RSS Branched to a new discussion.
  • buelllightning Calculating status...
    Currently Being Moderated
    May 9, 2011 6:52 AM (in response to GregTB)

    Hello Greg

    I have seen problem with iphone 4 seeing home wifi, but unable to connect.  Odd thing is that it connects fine to a Sagem router at one end of the house, but unable to connect to a DLink DAP 1160 which is used to extend wifi to the other end of the house via a cat 5 cable.  The iphone will connect to a neighbours BT homehub system when tested using her passwork key, and seems to connect to any other system worldwide ie in pubs, restaurants etc.

     

    Every other device (all non apple) connect to either access point in my house.  I have tried changing encription settings/beacon frequencies/done numerous resets on the phone and router to no avail.  Updating iphone today with the latest software version has made no improvement.

    I am totally stumped, I am summing up the courage to get the brush off either from apple or dlink helplines.

     

    BTW this problem appears to be documented on other web sites, again there are lots of ideas, but no definitive solutions.

    Francis

  • crickmay Level 1 Level 1 (0 points)
    Currently Being Moderated
    May 9, 2011 7:00 AM (in response to William Donelson)

    Hi William

     

    I am very new to all this so please bear with me i will do my best and try and be clear when explaining..

     

    when you have loaded your phone into Itunes go to the Summary page.  there are two options 1 to check for updates and 2 directly underneath that RESTORE

     

    Press RESTORE: you should be prompted and asked would you like to restore from BACK UP.. this is what i did. once this is completed it will then ask the question do you wish to restore fron " AS NEW" or from your iphone settings i.E  my reads " Paul's IPHONE." i slected Paul's IPHONE after a few minutes my phone was fully restored and the WI-FI settings were reloaded

     

      hope this helps

     

    Paul B

  • crickmay Level 1 Level 1 (0 points)
    Currently Being Moderated
    May 9, 2011 7:36 AM (in response to GregTB)

    HI Grey

     

    I have managed to resolve the problem by way of a restore pls see my post. could you see if you could make it a little clearer for other memebers as i am new to this and i may not have explained it too well

     

    many thanks

     

    Paul B

  • William Donelson Level 4 Level 4 (2,495 points)
    Currently Being Moderated
    May 9, 2011 7:42 AM (in response to crickmay)

    crickmay wrote: Press RESTORE: you should be prompted and asked would you like to restore from BACK UP..

    Nope. I am not offered that option for some reason.

     

    Why doesn't Apple offer a roll-back solution? They aren't infallible like the Pope or... maybe they Are infallibile just Like the Pope!

  • fliskfreya Level 1 Level 1 (0 points)
    Currently Being Moderated
    May 9, 2011 8:28 AM (in response to William Donelson)

    Thanks for all these very interesting suggestions.  I upgraded to 4.3.3 last Friday, have had problems - intermittent - with home wifi all weekend, not clear reason why, and today cannot connect my iphone to my mac by wifi, been stable for weeks previously.

     

    Tried most of the suggestions above - interestingly turning off cellular data did at least restore the wifi connected icon to my phone, but it disconnects itself after  about 5 secs, then won't reconnect.

     

    Have looked at itunes, but it does not give me the option to restore to a backup (which I made Fri before I upgraded), but only a factory settings reset.

     

    Would love to know if anyone has cracked this.

  • charlesfrommanchester Level 1 Level 1 (0 points)
    Currently Being Moderated
    May 9, 2011 10:34 AM (in response to iRageU95)

    Hi all

     

    I've had exactly the same problem with my iphone 4 over the last few days.  I tried turning the router off and an, I tried putting the phone in airplane mode and then out again, I tried turning the phone off and on, I tried re-syncing etc all to no avail.

     

    Finally managed to sort it by clicking on my network, then selecting 'forget this network' then finding the network, re-entering the password and connecting.

     

    Seems to be working OK again now.

     

    Good luck.

  • robert206 Level 1 Level 1 (0 points)
    Currently Being Moderated
    May 9, 2011 12:23 PM (in response to charlesfrommanchester)

    I've tried forget this network and back again but no look

    Restoring back to default

    Reset network

    Reset home hub

    Restore from different backups

    Airplane on/off

    Wireless signal strengths

    Swearing at it

    Called ISP

    Call network provider

    Nowt

  • maaat Level 1 Level 1 (0 points)
    Currently Being Moderated
    May 9, 2011 12:57 PM (in response to robert206)

    ... the same Situation after all the same avtivities you did and tried with iPhone 3GS... What's going on here ?

  • samboy86 Level 1 Level 1 (0 points)
    Currently Being Moderated
    May 9, 2011 4:20 PM (in response to iRageU95)

    Hi all,

     

    My partner and I both got the iPhone 4 a few days ago (1 of them from Telstra, 1 of them from Optus) and we are having this exact same issue. Wifi works everywhere except the home wireless. FYI we haven't upgraded the phone software, it is still version 4.3 (8F190) as it was when it came in the box, and we have tried pretty much everything that has been suggested above, tweaking with all the settings, resetting the router, resetting the iphones settings and everything, but no luck. Other devices can connect to our home wireless network just fine (eg. old phone Nokia and old iPhone 3). We will keep trying to find a solution and let you know if theres any luck. Has anyone found a real solution yet?

  • samboy86 Level 1 Level 1 (0 points)
    Currently Being Moderated
    May 9, 2011 4:22 PM (in response to samboy86)

    Oh and as a sidenote, as Apple customers, we definately shouldnt even have to be tstressing out and trying to tweak all these settings and trying to place the blame on ISPs or other things, its ridiculous, it should just connect to the Wifi straight away! Not happy at all

  • Brendon Dellar Level 1 Level 1 (85 points)
    Currently Being Moderated
    May 9, 2011 4:42 PM (in response to iRageU95)

    After some work trying out different settings I have finally solved this.

     

    1)  Make sure that the settings of your Airport Extreme are in mixed a/b/n mode

    2)  Open Airport Utility

    3)  Select Upload Firmware from the BaseStation menu

    4)  If you current version is 7.5.2, click Upload Firmware

    5)  Select 7.5.1 from the pop up menu

    6)  Restore Firmware

     

    After this is complete, you should be able to use your iPhone with the Airport Extreme.  The latest firmware is buggy and does not allow iPhones with the latest iOS to connect.

     

    If this solves it for you, please click solved (or correct answer) in the apple discussion boards.

     

    Thanks

     

    Brendon

  • Korthal Level 2 Level 2 (180 points)
    Currently Being Moderated
    May 9, 2011 4:46 PM (in response to samboy86)

    It's not about tweaking things, it's about having the correct settings and compatibility, all of which can and will effect connection.

     

    Honestly? WEP Encryption is old, there are 2 different lengths (cannot remember off the top of my head) that do not sit well with iOS 4.x. From my experience 99% of the time it is because people are using an old WEP Encryption and switching to WPA2 will fix this issue.

     

    Alternatively after an update to the iOS software it may no longer be compatible with the Router Firmware and as such the Router Firmware may need an update.

     

    Or it could be as simple as 'Forget This Network' and reconnecting. You really do need to try all avenue's first.

  • samboy86 Level 1 Level 1 (0 points)
    Currently Being Moderated
    May 9, 2011 5:06 PM (in response to Korthal)

    I have tried WPA and WPA2 and it still doesnt work. And I havent updated the iOS software at all, as everyone is saying this causes the problem. Trust me I have tried most avenues and will keep trying until I get somewhere. This is bullsh*t!!!!

  • Korthal Level 2 Level 2 (180 points)
    Currently Being Moderated
    May 9, 2011 5:12 PM (in response to samboy86)

    Have you updated the Router Firmware, as I don't see that mentioned. If the router is older it's quite possible that the iOS version isn't compatible with the current Router Firmware. If you've said that the iPhone 4's themselves are working EVERYWHERE but your home Network then it isn't necessarily an iPhone issue (at least in the Hardware sense) and is a compatibility issue.

  • Korthal Level 2 Level 2 (180 points)
    Currently Being Moderated
    May 9, 2011 5:13 PM (in response to Korthal)

    Also if you HAVEN'T updated iOS to 4.3.3 do that as well.

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