I\'ve recently discovered the awesome iOS5 custom Settings URL Scheme, which can be explained in detail at this great website.
I\'ve found this to work, dir
Yep, saw this (and many more), even implemented it in a test application. Really need to get the definitive word from Apple, but the community consensus opinion is Apple disallowed it in 5.1 after it was publicly "discovered/published", so applications containing it won't be accepted.
08/01/12 Update: Asked Apple through my developer account if there is a way to programmatically launch the WiFi Settings dialog. Here is the response:
"Our engineers have reviewed your request and have concluded that there is no supported way to achieve the desired functionality given the currently shipping system configurations."