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iPhone5 issues with WPA2/AES Wifi

I am using a Dual- Band Linksys E2500 router with WPA2 Personal (WPA2/AES) enabled. None of my other apple products (iPhone4S, iPhone4, iPad2 and the New iPad) have had problems connecting to my router. But everything changed when I got my iPhone5.


Basically the iPhone5 is capable to connect to the WPA2-Personal wifi network but after 1-2min starts to drop network packages, hence, I cannot browse any page (not even the router page 192.168.1.1) even though I still have a valid IP and the wifi icon is shown on my top screen.


I pinged the phone from my router diagnostics page and while I can browse the web with the iPhone5, I can see no packages lost. However after 1-2min the iPhone5 cannot open any websites while still connected to the wifi, it starts to show network packages lost.


A workaround that I found was to create a "Guest" network (which is not WPA2-Personal) or even WEP. There are no issues when connecting to these alternate networks.


Can anyone out there confirm this issue?? Is it software or hardware related?? It seems to me there are issues with WPA2-Personal (WPA2/AES)


Thanks in advance,

C

iPhone 5, iOS 6

Posted on Sep 23, 2012 6:50 AM

Reply
544 replies

Nov 5, 2012 8:06 AM in response to C4RLOCO

I have updated to iOS 6.0.1 and still having the same issues on my iphone5. Connections still randomly drops and starts pulling data from LTE. Our corporate campus uses WPA2 Enterprise enrcryption.


Someone else out there updated to iOS 6.0.1 and still having issues? Anyone think is hardware issue on selected iphone5. Since some reported iOS 6.0.1 had fixed their issues and some still having problems.

Nov 7, 2012 2:46 PM in response to C4RLOCO

I was having issues with my wifi disconnecting while at home. My connection is a wpa2 personal network mixed network. iPhone 5 that was received on lauched day. I didn't notice the problem right away but only after a few weeks. I first tried typical things that I knew from previous iPhone/iPad issues. Didn't research on here to know if there was an issue. First did the network settings reset. Was ok for about a day. Then did a full restore, didn't make much difference. Then did a restore without a backup. Finally looked it up and went to genius bar, they replaced phone, still having problems. Next day 6.0.1 was released. Still having problems.


Only time I don't have problems is if I turn security off on my router. I do not want to do this because as soon as I do my connection is bogged down. LTE is super slow where I live in the woods so I'm not a big fan of that either. Apple please help!

Nov 8, 2012 10:42 AM in response to C4RLOCO

What was the iOS version on the iphone with you had the apple wifi chip?

what is the iOS version on the new one upon you received the phone?


i just got my phone few days ago, and I have the issue of connecting the wifi @ work. I wonder if I should just go ahead to return it, and get one later when issue is resolved.

Nov 12, 2012 7:43 PM in response to Kevin Stanchfield

Upgraded to iOS 6.0.1 and still experiencing the same issue : packet loss when using WPA2 AES even if the phone is on top of the WiFi Router. Iphone 4S next to this Iphone 5 doesn't drop any packets when using AES Cypher.


Downgrading to WPA / TKIP fixes this, seems to be a software issue with the way the iphone 5 handles AES encryption.


My mac address starts with 88:53:95 (Apple) and I'm using an Asus AC66U with latest .260 firmware.

Nov 12, 2012 8:25 PM in response to Silverstar555

THANK YOU!!! 🙂

Silverstar555 wrote:


Dear all, and Apple Engineers.


I used to run a troubleshooting BiG Mac site several years ago with 1million hits a month. I am PhD and scientist and finding solutions to problems is in my DNA. In fact, I provided jobs to people that eventually became Apple engineers.


I read all the thread here because I also had the same problem this week during my business trip. Each hotel I went to, I had trouble with iPhone 5 WIFI but no issues with my iPad 2 running iOS5. Of course, I had no way to know if the hotels routers were running WPA2 wit AES but I supposed that Hotels like Hyatt, Meridien and Hilton must have. I presume that just like me, you backup up your iPhone 4 before upgrading to iphone5 and that you restored your iPhone 4 settings in your iPhone 5. I am not sure if this is correct or not but it is maybe not a good idea to restore networks settings that were good 2 years ago. This was my hunch. So I try resetting things and firstly, I tried Network Settings Reset. And it worked...EVERYTHING WENT BACK TO NORMAL.


So the SOLUTION to ALL your network connectivity problems with wifi on iPhone 5 is: go to SETTINGS--> GENERAL--> RESET--> RESET NETWORK SETTINGS


VOILA!


stop returning your iPhone 5 :-) it is working properly.


have a great week!


Frank

I knew there had to be a logical resolution. WiFi is being detected, normally, again.

Sincerely,

Linda


Message was edited by: TechTastic

Nov 15, 2012 7:05 PM in response to C4RLOCO

Serious wifi problems using WPA2 with mine. Even using an Asus RT56U router. Even after getting an AirPort Express. Even using 5GHz. Even on 2.4 GHz. Various different channels. The problem is it drops data flow. Even with Google DNS.


I set it back to WEP and no issues though my thoroughput caps out at 12 MBps downstream intead of 50. This is even after 6.01 which was supposed to fix the WPA2 issues.


This is the only device that has wifi issues on my network. I also have an iPad, DSi XL and 2008 Unibody MacBook.


WPA2/AES remains broken in 6.01. A weekly RESET NETWORK SETTINGS is not feasible.


Is Apple working on this?

Nov 16, 2012 12:29 PM in response to Morty89

"WifI issues" is not specific enough. You could simply be experiencing WiFi interference.


This forum is for people who's iPhone 5 will not opperate on WPA2/AES encrypted networks. The typical symptom is that the phone works great for about a minutes and then data rates drop down to unusable rates. The phone works fine on WPA, WEP or Open networks. The 6.0.1 update fixes this specific problem.

Nov 18, 2012 1:19 PM in response to C4RLOCO

Add me to the list of unsatisfied iphone users. My new iphone 5 will not connect to my home network no matter what I try. My network is now WPA-PSK [TKIP] + WPA2-PSK [AES], password protected and it will not join. Our other 2 iphone 4s, ipad 3 and all friends and relatives with apple products connect without a problem, just not the iphone 5. It connects to any other network I have tried, even those with the same settings. The only difference is my router is a Netgear. Is that the problem?

iPhone5 issues with WPA2/AES Wifi

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