15 Hidden, Less Known, and Surprising Facts About iOS 18.4.1

Hidden “Focus Sound Profiles”

You can now set custom notification tones for each Focus mode — making work, sleep, and personal profiles sound completely different.

1

Safari “Private Vault”

Safari now locks private tabs with Face ID after a few minutes of inactivity — even if the app stays open.

2

Custom Haptics for Individual Contacts

Assign unique vibration patterns not just for calls, but now for iMessages from specific contacts.

3

Lock Screen Widgets Auto-Dim

You can set your Lock Screen widgets to auto-dim after inactivity, keeping your screen cleaner and saving battery.

4

FaceTime “Background Freeze” Mode

During a FaceTime call, swipe with three fingers to “freeze” your background while keeping yourself live — a discreet privacy feature.

5

Hidden Weather Radar Overlay

In the native Weather app, pinch out on the radar map to reveal new experimental overlays like “Smoke” and “Pollen.”

6

“AirDrop Plus” Mode

A secret AirDrop setting in Developer Mode lets you share massive files (over 10GB) without compression — only between devices on the same Apple ID.

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