Okay, I know that there are many question about it, but they are all from many time ago.
So. I know that it is possible because the Map app does it.
In the M
Tested with iOS 10. Working
NSArray* urlStrings = @[@"prefs:root=WIFI", @"App-Prefs:root=WIFI"];
for(NSString* urlString in urlStrings){
NSURL* url = [NSURL URLWithString:urlString];
if([[UIApplication sharedApplication] canOpenURL:url]){
[[UIApplication sharedApplication] openURL:url];
break;
}
}
Happy Coding :)