Press the Camera icon on the Home screen, then choose Take Selfie from the Quick Actions menu.
Apply pressure when you swipe in from the left of the screen to enter multitasking view.
Mail is a great place to start to understand use of 3D Touch. Press a message in the mailbox list to peek at the message contents, then slide up to see a list of available actions. Or press harder to open the message.
Similarly when working with Photos you can press to peek at an image, swipe up to share or copy it or press deeper to pop the image to full screen.
If you use a Live Photo as your lock screen a hard press on the screen will activate the image, no need to unlock the phone.
Press a name in Messages and you can choose to create an email, make a voice or video call or send a message.
If you receive a video in a message you can preview the clip by pressing the video thumbnail. Press deeper to launch the video.
Keep experimenting. Press ayn item and you often find the Quick Actions menu. This isn’t always available but is being rapidly added to apps.
You can preview links almost anywhere. Press hard on the link and a pop-up preview of the site will appear so you can quickly check it before launching it in a browser.
Many of these examples illustrate Peek. Other ways to use this include: Press a pin in Maps you can peek at information about a place; to peek at songs in a Music playlist or peek at a location in Maps by pressing an address.
Create a new Note in Notes and select the pencil, marker or pen tool. Choose a color. Press your finger on the display and you’ll be able to sketch, but you’ll be able to make the line darker by pressing more firmly.
9to5Mac noticed a hidden (disabled by default) tool, Peek Zoom. To activate this in Settings>General>Accessibility>Zoom turn on Zoom and also enable Show Controller. Now when you press hard on the on-screen Zoom controller you’ll see the entire display zoom in only to zoom out when you release the pressure.
Press the keyboard until it turns light grey. When it does, you’ll be able to move the cursor by dragging around the keyboard. To select a word you just need to press a little deeper to select that word, or twice to choose a sentence. To select a paragraph press three times.
Some 3D Touch users may grow frustrated when attempting to move or delete apps as when they tap and hold icons 3D Touch activates. As iMore first points out, the path to success is to tap the app while applying no pressure and wait a few seconds…now you can move and delete apps as you please.
Adjust 3D Touch sensitivity (Light, Medium or Firm) in Settings>General>Accessibility>3D Touch.
Shazam users can quickly identify tracks by just pressing the app icon until the Quick Actions menu lets you identify the music.
I’m watching this excellent Reddit thread to monitor third party apps adding 3D Touch support.
I hope I’ve helped you get a little more from 3D Touch.
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