Try using it to access the WiFi settings in iOS 5.1
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"prefs:root=WIFI"]];
Try using it to access the WiFi settings in iOS 9
if (&UIApplicationOpenSettingsURLString != NULL) {
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"prefs:root=WIFI"]];
}
Try to add prefs tu URL schemes like stackoverflow.com/a/31253743/3668465 did.
You can use this option for identify a SSID:
iOS >= 4.1 it's possible to obtain SSID of wireless network that device is currenctly connected to.
For this you'd use function CNCopyCurrentNetworkInfo
Details on implemenation: iPhone get SSID without private library
question example -> how to programmatically open the WIFI settings in objective c in iOS9