20 iPhone Hidden Features Most People Never Find (iOS 18)

Apple spends billions on marketing the obvious stuff. The camera. The chip speed. Face ID. What they don't spend any time advertising are the dozens of genuinely useful features buried in Settings submenus, hidden gestures, and long-press menus that most users will never stumble across on their own.

None of these require jailbreaking. None require third-party apps. They're all built into every modern iPhone running iOS 17 or 18.

Hidden Gestures

1. Back Tap

You can make your iPhone do almost anything by tapping the back of the phone — not a button, literally the glass back panel. Go to Settings → Accessibility → Touch → Back Tap. Assign Double Tap and Triple Tap to any action: take a screenshot, open Control Center, trigger a Shortcut, scroll up or down, toggle the flashlight, mute, or run practically any system action. It works even with a case on. This is one of the most useful accessibility features Apple has built and most people have no idea it exists.

2. Reachability (One-Handed Use)

On iPhones with Face ID, swipe down on the bottom edge of the screen — not from the top, from the very bottom notch area — to slide the entire screen down to thumb reach. This is Reachability. Enable it first under Settings → Accessibility → Touch → Reachability. Essential for using a large iPhone one-handed.

3. The Hidden Trackpad

When typing any text on iOS, press and hold the spacebar. The entire keyboard turns into a trackpad — slide your finger to move the cursor with pixel precision anywhere in the text. On older iPhones with 3D Touch, press anywhere on the keyboard to activate it. This eliminates the frustrating tap-to-reposition routine.

4. Text Selection Without Lifting Your Finger

While using the keyboard trackpad (hold spacebar), press and hold with a second finger to enter text selection mode. Now drag to select exactly the text you want. Much faster than the standard tap-hold-drag method.

5. Shake to Undo

Shake your iPhone to undo the last action — typing, deleting, pasting. A dialog appears asking to confirm. Works system-wide. You can also enable Settings → Accessibility → Touch → Shake to Undo to turn this off if you're tired of accidental undos.

Photos and Camera

6. Volume Button Burst Mode

Hold down either volume button in the Camera app to take a burst of photos at maximum speed. Release to stop. The best frame is automatically suggested in your Photos library. Swipe up on a burst to see all frames individually.

7. Level Indicator

In the Camera app, go to Settings → Camera → Grid and enable it. When enabled and you tilt the phone slightly, a crosshair/level indicator appears in the center of the viewfinder. Perfect for getting architectural shots exactly straight.

8. View Exact Photo Metadata

In the Photos app, swipe up on any photo to see its full EXIF data — exact GPS coordinates, camera aperture, shutter speed, ISO, focal length, and device model. Tap the location pin to open it in Maps.

9. Remove Photo Background in One Tap

In Photos, tap and hold on any subject in a photo. iOS will lift the subject from the background and offer to copy it as a transparent PNG. You can then paste it into Messages, Notes, or any app. Works surprisingly well on people, pets, and objects.

Settings Nobody Opens

10. Custom Back Button Label

The back button at the top left of apps shows the name of the previous screen, which is often truncated to "Back." Go to Settings → Accessibility → Display & Text Size → Button Shapes to make buttons more visible, or under Settings → Accessibility → Motion to reduce the sliding navigation animation if you find it disorienting.

11. Per-App Font Size

Go to Settings → Accessibility → Per-App Settings → Add App. Select any app and you can override the system font size, bold text, button shapes, and reduce motion settings specifically for that app. Make the font giant in the News app without affecting anything else.

12. Announce Notifications on AirPods

With AirPods in, Settings → Siri & Search → Announce Notifications. Siri reads incoming notifications aloud through your AirPods, including the sender and content. You can reply hands-free. Works with Messages, Mail, and most third-party apps that support it.

13. Guided Access (App Lock)

Triple-click the side button → Guided Access. This locks the iPhone into a single app, optionally disabling specific screen regions, hardware buttons, and touch. Originally for accessibility and education, but also perfect for handing your phone to a kid or letting someone use Maps without accessing anything else.

14. Emergency SOS Auto-Call Without Interaction

Settings → Emergency SOS → Call with Hold and Release. If enabled, holding both the side button and a volume button for several seconds auto-dials 911 with a countdown. After the call, it shares your location with emergency contacts. Good to know where this is set on your phone.

Productivity Shortcuts

15. Scan Documents in Notes

Open the Notes app, create a new note, tap the camera icon → Scan Documents. The iPhone's camera automatically detects document edges, corrects perspective, and creates a clean multi-page PDF. This is a full document scanner in your pocket at zero cost, better than most dedicated scanning apps.

16. Offline Maps

Apple Maps (iOS 17+) supports offline maps. Open Apple Maps, search for a city or region, scroll down and tap Download. The map downloads for offline use including turn-by-turn navigation. Works without cell signal. Essential for travel, hiking, and any situation with unreliable coverage.

17. Drag and Drop Between Apps

On iPad this is obvious, but it works on iPhone too. Open an app in Split View or just drag text/images: tap and hold a link, image, or selected text, start dragging it slowly with one finger, use another finger to navigate to a different app, then drop. Works between Safari, Messages, Notes, Mail, and more.

18. Type to Siri

Settings → Accessibility → Siri → Type to Siri. Now you can summon Siri and type your query instead of speaking. Useful in quiet environments, on calls, or whenever you don't want to talk to your phone in public.

19. Haptic Keyboard Feedback

iOS 16+ added optional keyboard haptic feedback — the keyboard vibrates subtly on each keypress. Go to Settings → Sounds & Haptics → Keyboard Feedback → Haptic. Note Apple warns this may slightly impact battery life, but the difference is negligible in practice.

20. Stolen Device Protection

iOS 17.3 added Stolen Device Protection (Settings → Face ID & Passcode → Stolen Device Protection). When enabled and you're in an unfamiliar location, critical actions like changing your Apple ID password or disabling Find My require both Face ID AND a one-hour security delay. This closes the iOS passcode theft exploit that was widely reported in 2023 where thieves watched people enter their PIN before stealing the phone.

For iOS developer tools and more advanced control over your iPhone, see our guide to enabling iOS Developer Mode. For keeping your device secure while using these features, read our mobile security myths guide.

Complete iOS Power User Guide PDF

80+ hidden features, Shortcuts automation recipes, privacy hardening checklist, and storage reclaim procedures — all in one downloadable reference.

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