This question already has an answer here:
- Access Settings app in iOS 4 answers
- How to open preferences/settings with iOS 5.1? 4 answers
I've tried using:
[[UIApplication sharedApplication] openURL: [NSURL URLWithString: @ "prefs: root = General & path = Network"]];
And options trading all you see here:
But I can not make it work.
Apple no longer allows developers to open the Settings application from within their apps (iOS 5.1 and later).
EDIT
According to @Mike's comment below, this can be done in iOS 8+
Using this prior to iOS 8 will result in a crash, however.