iPhone 15 Plus
iOS 18
iOS 17
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Basic functions
Device home
Getting started
Basic functions
Calls, contacts, messaging
Connectivity
Specifications
Device home
Getting started
Basic functions
Calls, contacts, messaging
Connectivity
Specifications
Sound and screen settings
Turning silent mode on or off
Setting date and time
Using notifications
Using Dark Mode
Using widgets
Selecting lock screen settings
Personalising your phone's home screen
Security codes
Turning use of PIN on or off
Turning use of phone lock code on or off
Using Face ID
Apps
Installing apps from App Store
Using music player
Turning automatic update of apps on or off
Turning automatic synchronisation of apps and app content on or off
Turning Offload Unused Apps on or off
Selecting settings for background refresh of apps
Using App Library
Turning tracking request for downloaded apps on or off
Using recording of app activity
Turning Communication Safety on or off
Turning Sensitive Content Warning on or off
Locking or hiding an app
Software update
Updating phone software
Restoring factory default settings
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