NSString * urlString = @"App-Prefs:root=WIFI";
if ([[UIApplication sharedApplication] canOpenURL:[NSURL URLWithString:urlString]]) {
if (@available(iOS 10.0, *)) {
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:urlString] options:@{} completionHandler:nil];
} else {
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:urlString]];
}
}
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