
Go to Settings → Accessibility → Touch → Back Tap. You can assign actions to double or triple tapping the back of your iPhone.
Go to Settings → Accessibility → Touch → Back Tap. You can assign actions to double or triple tapping the back of your iPhone.
Useful assignments:
Settings → General → Keyboard → Text Replacement.
Create shortcuts for phrases you type repeatedly:
@@ → your.email@gmail.comaddy → your full home addressomw → "On my way! I will be there in 10 minutes."#sig → your full email signatureShake your iPhone to undo the last action — typing, deletion, formatting changes. Works in Mail, Notes, Messages, and most text fields.
Press and hold anywhere on the keyboard (or 3D Touch / Haptic Touch the space bar) to turn the keyboard into a trackpad. Drag your finger to precisely position the cursor.
Open Notes → tap the camera icon → Scan Documents. It automatically detects document edges, corrects perspective, and reduces shadows. Better than most dedicated scanning apps.
Settings → Control Center → Customize. Add useful controls:
Remove ones you never use.
The built-in Measure app uses AR to measure objects. Point your camera at an object, tap start and end points. It also includes a Level tool for hanging pictures.
The Health app → Medical ID lets first responders see critical information from your Lock Screen:
Set it up, then enable "Show When Locked."
iOS 17+ supports offline maps. Before traveling:
Now you have navigation without cellular data.
Press and hold the power button + volume up simultaneously. Or quickly press the power button 5 times. Your iPhone calls emergency services, shares your location with emergency contacts, and — if opted in — automatically plays an alarm.
| Feature | How to Access | What It Does |
|---|---|---|
| Back Tap | Settings → Accessibility → Touch | Actions on back-of-phone tap |
| Trackpad | Long-press space bar | Precision cursor control |
| Scan Documents | Notes → Camera icon | Auto-document scanning |
| Text Replacement | Settings → Keyboard | Type shortcuts for long phrases |
| Hidden Photo | Select → ... → Hide | Move photo to hidden album |
| Medical ID | Health app → Medical ID | Emergency info on lock screen |
| Offline Maps | Maps → Download area | Navigate without data |
| Measure | Measure app | AR measurement tool |
| Emergency SOS | Hold power + volume | Calls emergency services |
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