Try rebooting the phone. I had this very issue my self two weeks ago and that 
resolved it instantly. 

I am curious if it works or not so please let me know Neil.

Regards

Pete

On 26/02/2013, at 12:36 PM, Neil Houghton <[email protected]> wrote:

> Just to add:
> 
> € The iPhone was previously connecting to the network OK
> € I have now rebooted both the modem and the Airport Extreme - but with the
> same result - the iMac and iPad connect fine - the iphone sees the network
> but gives me a "incorrect password" dialogue
> 
> 
> on 26/2/13 11:56 AM, Neil Houghton at [email protected] wrote:
> 
>> A strange problem here.
>> 
>> I picked up my iPhone, at home, and noticed that it was not connected to my
>> airport network.
>> 
>> The network is working fine and my iMac and iPad are both connected and
>> communicating just fine.
>> 
>> I tried turning wifi off and then on again and the phone "sees" the network
>> but does not connect.
>> 
>> I even tried removing the network from the remembered list (untick the
>> remember this network box).
>> 
>> At this point, with wifi turned back on:
>> 
>> € The phone "sees the network
>> € Selecting the network opens the password dialogue
>> € Entering the password gives me a "incorrect password" dialogue
>> € I AM entering the CORRECT password (I even checked the password in the
>> keychain of the connected iMac - to be sure!)
>> 
>> At this point I am at a bit of a loss as to how to proceed - any ideas?
>> 
>> 
>> Cheers
>> 
>> 
>> Neil
> 
> -- 
> Neil R. Houghton
> Albany, Western Australia
> Tel: +61 8 9841 6063
> Email: [email protected]
> 
> 
> -- The WA Macintosh User Group Mailing List --
> Archives - <http://www.wamug.org.au/mailinglist/archives.shtml>
> Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml>
> Settings & Unsubscribe - 
> <http://lists.wamug.org.au/listinfo/wamug.org.au-wamug>
-- The WA Macintosh User Group Mailing List --
Archives - <http://www.wamug.org.au/mailinglist/archives.shtml>
Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml>
Settings & Unsubscribe - <http://lists.wamug.org.au/listinfo/wamug.org.au-wamug>