Independent iPhone settings reference
Understand every setting on your iPhone.
Choose your model and iOS version, then search in normal words. We show what the setting does, where to find it, and whether it matters for your phone.
Try: stop charging at 80, hide notification text, apps tracking me, or a model number like A3101.
Start with an area of Settings
The parts of Settings people open most often.
Device identity and setup
Work out exactly which iPhone you have, then get it set up properly.
Apple Account and iCloud
Your account, what syncs, what is backed up, and who can get back in.
Network and connectivity
Wi-Fi, cellular, Bluetooth and the sharing features that depend on them.
Battery and charging
Why your battery behaves the way it does, and what you can actually change.
Display and appearance
Brightness, text size, colour, motion and how the screen behaves when idle.
Sound and haptics
Ringtones, alerts, vibration and the volume rules your iPhone applies for you.
Notifications and Focus
Decide what interrupts you, when, and how much it reveals on a locked screen.
Privacy and security
What apps can see, what a thief can do, and how to close the gaps.
I want to...
Jump straight to the settings that change one thing you care about.
Settings most people never find
Useful behaviour that is buried several screens deep.
Back Tap
Available Accessibility - physical and motorA double or triple tap on the back of your iPhone can trigger an action such as a screenshot, the torch, or any shortcut you choose.
Settings > Accessibility > Touch > Back Tap
Attention Aware Features
Available Privacy and securityYour iPhone uses the TrueDepth camera to check whether you are looking at the screen, and uses that to lower alert volume, keep the screen awake and reveal notifications.
Settings > Face ID & Passcode > Attention Aware Features
Precise Location
Available Privacy and securityTurning Precise Location off for an app gives it an approximate area instead of your exact position.
Settings > Privacy & Security > Location Services > App name > Precise Location
Mirror Front Camera
Available Camera and media captureWith this on, a selfie is saved exactly as it appeared on screen, rather than flipped horizontally.
Settings > Apps > Camera > Mirror Front Camera
Preserve Settings
Available Camera and media capturePreserve Settings decides whether the Camera reopens in the mode, filter and Live Photo state you last used, or resets to its defaults.
Settings > Apps > Camera > Preserve Settings
Scheduled Summary
Available Notifications and FocusNotifications from apps you choose are held back and delivered together at times you set, instead of interrupting you all day.
Settings > Notifications > Scheduled Summary
What changed in iOS 27
Checked, not guessed
Every path carries the iOS range it applies to and the date it was last checked. When we have not confirmed something, we say so instead of inventing a menu.
Matched to your phone
Hardware rules decide what you see. An iPhone without an Always-On display is never told where to turn it off.
Written for people
Plain English, the trade off in both directions, and no pretending that every setting has one correct answer.