在 iOS 5+ 可以通过 URL scheme 快速打开【设置】及子项。

Settings                prefs:
About                   prefs:root=General&path=About
Accessibility           prefs:root=General&path=ACCESSIBILITY
Airplane Mode On        prefs:root=AIRPLANE_MODE
Auto-Lock               prefs:root=General&path=AUTOLOCK
Brightness              prefs:root=Brightness
Bluetooth               prefs:root=General&path=Bluetooth
Date & Time             prefs:root=General&path=DATE_AND_TIME
FaceTime                prefs:root=FACETIME
General                 prefs:root=General
Keyboard                prefs:root=General&path=Keyboard
iCloud                  prefs:root=CASTLE
iCloud Storage & Backup prefs:root=CASTLE&path=STORAGE_AND_BACKUP
International           prefs:root=General&path=INTERNATIONAL
Location Services       prefs:root=LOCATION_SERVICES
Music                   prefs:root=MUSIC
Music Equalizer         prefs:root=MUSIC&path=EQ
Music Volume Limit      prefs:root=MUSIC&path=VolumeLimit
Network                 prefs:root=General&path=Network
Nike + iPod             prefs:root=NIKE_PLUS_IPOD
Notes                   prefs:root=NOTES
Notification            prefs:root=NOTIFICATIONS_ID
Phone                   prefs:root=Phone
Photos                  prefs:root=Photos
Profile                 prefs:root=General&path=ManagedConfigurationList
Reset                   prefs:root=General&path=Reset
Safari                  prefs:root=Safari
Siri                    prefs:root=General&path=Assistant
Sounds                  prefs:root=Sounds
Software Update         prefs:root=General&path=SOFTWARE_UPDATE_LINK
Store                   prefs:root=STORE
Twitter                 prefs:root=TWITTER
Usage                   prefs:root=General&path=USAGE
VPN                     prefs:root=General&path=Network/VPN
Wallpaper               prefs:root=Wallpaper
Wi-Fi                   prefs:root=WIFI

via Apple Settings App/Preference Shortcuts