很多情况APP需要跳转系统设置界面，下面就是简单的实现。

NSString * urlString = @"App-Prefs:root=WIFI";

if ([[UIApplication sharedApplication] canOpenURL:[NSURL URLWithString:urlString]]) {

    if ([[UIDevice currentDevice].systemVersion doubleValue] >=   10.0) {

    [[UIApplication sharedApplication] openURL:[NSURL URLWithString:urlString] options:@{} completionHandler:nil];

    } else {

    [[UIApplication sharedApplication] openURL:[NSURL URLWithString:urlString]];

    }

}

无线局域网 App-Prefs:root=WIFI

蓝牙 App-Prefs:root=Bluetooth

蜂窝移动网络 App-Prefs:root=MOBILE_DATA_SETTINGS_ID

个人热点 App-Prefs:root=INTERNET_TETHERING

运营商 App-Prefs:root=Carrier

通知 App-Prefs:root=NOTIFICATIONS_ID

通用 App-Prefs:root=General

通用-关于本机 App-Prefs:root=General&path=About

通用-键盘 App-Prefs:root=General&path=Keyboard

通用-辅助功能 App-Prefs:root=General&path=ACCESSIBILITY

通用-语言与地区 App-Prefs:root=General&path=INTERNATIONAL

通用-还原 App-Prefs:root=Reset

墙纸 App-Prefs:root=Wallpaper

Siri App-Prefs:root=SIRI

隐私 App-Prefs:root=Privacy

Safari App-Prefs:root=SAFARI

音乐 App-Prefs:root=MUSIC

音乐-均衡器 App-Prefs:root=MUSIC&path=com.apple.Music:EQ

照片与相机 App-Prefs:root=Photos

FaceTime App-Prefs:root=FACETIME