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You Can Open Any App By Tapping the Back of Your iPhone: Here’s How

The entire back of your iPhone acts as a secret «button» (and yes, it still works with a case).

The newest iPhones made headlines for the addition of the Camera Control button. But there’s already a way to open the camera app without unlocking your device or touching the screen — and it works even if you’re using an iPhone that’s several years old. 

In fact, if you have a Shortcut for it, you can open any app just by tapping the back of your iPhone. All you need to do is set up the secret «button».

You can use this feature to not only launch apps, but also turn on your flashlight or activate Shazam to identify a song before it ends. You can summon your iPhone’s Control Center or Notification Center without having to swipe down from the top of your screen. With a little bit of imagination, you can use this feature to perform almost any of your phone’s functions.

The feature is called Back Tap, and like the Action Button on newer iPhones, it gives you one more way to interact with your device without touching the screen. You can activate it by tapping anywhere on the back of your phone, including on the camera module. The best part is that it works even if you have a fairly thick case on your iPhone.

Back Tap is available on iPhones as old as iPhone 8, as long as they’re running iOS 14 or later. We’ll show you how to enable it and how to use it with your Shortcuts app for nearly endless possibilities.

Read more: All the Ways the iPhone 16’s Camera Control Button Will Change Your iPhone Photography

What is the iPhone Back Tap feature?

Back Tap is an iPhone feature introduced in iOS 14. It lets you perform shortcuts on your iPhone by double or triple tapping on the back of the device.

You can customize Back Tap on your iPhone to easily perform common actions like pulling up the Control Center or Notification Center, especially useful if you have a larger phone and can’t swipe down from the top of the screen without some complex finger gymnastics. You can even have two separate functions enabled at the same time: Back Tap can distinguish between a Double Tap and a Triple Tap.

Depending on the number of times you touch the back of your iPhone, you can set Double Tap to open your Notification Center and Triple Tap to take a screenshot. Or, you can make Double Tap open the Control Center and Triple Tap launch the Magnifier app. Experiment with Back Tap to find the right combinations of taps and functions that best fit your needs.

And you aren’t limited to just the Back Tap options that are available by default. Thanks to the Shortcuts app, you can set up Back Tap to perform specific functions or launch any app. For example, you can create a simple shortcut that opens Shazam or starts a voice recording, then activate it with a quick Double Tap or Triple Tap. You can also use Back Tap to trigger a more elaborate shortcut, such as automatically sending photos and videos to specific photo albums.

How do I set up Back Tap on my iPhone?

To enable Back Tap, go to your Settings app. Then go to AccessibilityTouchBack Tap. There, you’ll find a list of options for configuring Double Tap and Triple Tap.

Here is the full list of functions that you can map to a Double Tap or Triple Tap:

  • None

  • Accessibility Shortcut

System

  • App Switcher

  • Camera

  • Control Center

  • Flashlight

  • Home

  • Lock Rotation

  • Lock Screen

  • Mute

  • Notification Center

  • Reachability

  • Screenshot

  • Shake

  • Spotlight

  • Volume Down

  • Volume Up

Accessibility

  • AssistiveTouch

  • Background Sounds

  • Classic Invert

  • Color Filters

  • Control Nearby Devices

  • Dim Flashing Lights

  • Live Captions

  • Live Speech

  • Magnifier

  • Smart Invert

  • Speak Screen

  • VoiceOver

  • Zoom

  • Zoom Controller

Scroll Gestures

  • Scroll Down

  • Scroll Up

At the bottom of the menu, you’ll also see a list of Shortcuts. These options will vary depending on what’s available in your Shortcuts app.

The one potential downside to Back Tap is that you don’t get any tactile feedback when you use it, so you might accidentally trigger it at the wrong time and not realize it until later. For instance, you might double tap without meaning to and set off your flashlight by accident. In that case, you might want to remap your Double Tap to a less conspicuous function. Or, you can leave Double Tap off and only use Triple Tap, which you probably won’t trigger as often.

How do I use Back Tap to take a quick photo?

One way to set up Back Tap is to map Double Tap to the Camera and Triple Tap to Volume Up or Volume Down. Because you can press either of the volume buttons to instantly take a picture, you can get the same effect if your volume buttons are mapped to Back Tap. With this combination, you can capture a photo with five quick taps on the back of your iPhone (though you’ll have to pause briefly between performing the Double Tap and Triple Tap, so that your phone can distinguish between the two actions).

This Back Tap combination even works if your phone is locked. Again, spend some time trying out different combinations of taps and features to find which ones are most useful for you.

Technologies

Review: The Switch 2 Pro Controller

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Technologies

The Switch 2 Pro Controller Makes a Comfortable Upgrade, but Still Falls a Bit Short

The new controller feels a little more pro than its predecessor.

The Switch 2 Pro Controller is a standalone controller that pairs with the new Switch 2 and provides a more comfortable gaming experience than the standard Joy-Cons. While it might look similar to the old model, the second-gen controller has a number of new features to help it earn that «Pro» title.

The 2 Pro retails for $85 — a pretty significant jump over the original’s $70. The good news is that, if you want to save some money, the Switch 1 Pro Controllers do work on the Switch 2. Since it’s detached, it’s really more useful when playing docked, connected to a TV. I really like the look and feel of it, but it’s definitely an expensive, unnecessary accessory. 

Both Pro controllers feel pretty similar, which is good since I always felt the original was very comfortable. They’re the same size and shape, and the button layout is mostly the same, but the original has a subtle texture to its grip while the 2’s is smooth. I actually find the new controller a bit more comfortable than the first.

Just like the new Joy-Cons, there is a GameChat button near the bottom, a shortcut to screen-sharing gameplay and forming parties with your friends to video or voice chat together. Keep in mind that you can just pop back out to the Switch main menu and open GameChat manually without needing to hit the button.

Another new feature are back buttons on the underside of the handles, GL and GR. Back buttons — programmable buttons that you can assign to act like other inputs — are pretty standard on pro-style controllers but were absent on the first Switch Pro. For example, in shooters, players will often bind duck or jump so they can perform those actions without taking their thumb off the right stick. 

Mapping these buttons is super easy through the Switch 2’s settings menu or by holding down the Home button and changing them there. These button maps are also saved on a per-game basis, which is great, allowing you to specify which actions you want available on different games instead of needing to adjust back and forth when you swap games. 

The downside is that there are only two buttons, one on each side, like PlayStation’s DualSense Edge pro controller. I would have liked more options, like the Xbox Elite controller’s four programmable buttons. Both those controllers also allow you to swap the buttons’ shapes. Nintendo doesn’t.

Another upgrade on the Switch 2 Pro Controller is a headphone jack on the bottom, which is useful if you’re trying to play games quietly.

Battery life remains the same as the first Pro Controller: Around 40 hours on a single charge, which is definitely on the higher side for controller batteries. In comparison, the DualSense Edge lasts only 5 to 6 hours. The new Pro Controller also charges faster. Nintendo says it takes about 3.5 hours for a full charge, whereas the original Pro Controller takes six hours. 

The large face buttons and analog sticks feel the same, which is good since the original didn’t need improvement. The D-pad, though, feels like it has more freedom of movement and accuracy. This makes hitting diagonal inputs easier to pull off, like in Street Fighter when a special move requires a quarter circle. I found it simply better for adjusting character movement in a 2D platformer, like Super Mario Wonder. 

One of my major complaints is that it still lacks analog triggers. This feature has been on Xbox and PlayStation controllers for years and allows games to sense when you partially press a trigger. It’s important in racing games, for example, where pressing the trigger determines how much you’ll accelerate. But nope, that’s not a thing for the Switch 2 Pro Controller. 

Curiously, the new Pro Controller can’t wirelessly connect it to a PC. Steam doesn’t yet recognize it, though it took a while before the original was directly supported as well. While it’s missing some key pro features compared to Xbox and PlayStation’s offerings, those controllers also retail for around $200, so the price difference makes sense.

The Switch 2 Pro Controller is best for someone who primarily games with the console connected to a TV. It’s an overall improvement on the first one and brings Nintendo closer to what we expect from a pro-style design, but it becomes a harder sell if you already have the original Pro Controller. Many of the new features — back buttons, a headphone jack, quick access to gamechat — are pretty easy to live without, in my opinion. 

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This $1,299 Robot Dog Plays Soccer, Dances and Can ‘Evolve’ With AI

The Sirius robot dog goes on preorder Thursday, integrating with OpenAI to develop its «soul.»

After an initial appearance at CES 2025, the Hengbot $1,299 Sirius robot dog is going on preorder Thursday, highlighting an agile body that’s able to play soccer while also integrating with OpenAI to develop its own personality.

(Disclosure: Ziff Davis, CNET’s parent company, in April filed a lawsuit against OpenAI, alleging it infringed Ziff Davis copyrights in training and operating its AI systems.)

While robot dogs have been around for decades with brands like Sony’s Aibo, Hengbot’s Sirius robot is putting a particular emphasis on how quickly it can move. The company has been showing this off in videos that demonstrate it dancing to piano music or shaking hands next to an actual dog. The Sirius robot has a total of 14 axis across its legs and head along with proprietary joints named Neurocore that let it move more naturally. 

Hengbot says it’s also customizable using a «game-like» editor, featuring the ability to customize the robot’s personality to be more like specific dogs such as a Corgi, set up different facial reactions to appear on its head or upload voice packs to customize what the robot sounds like. 

However Hengbot does note that, because this is a robot after all, the Sirius robot dog is meant primarily for flat indoor surfaces and isn’t meant to be played with outside. So while dancing and soccer games (which can be played with an included controller) are fine, the Sirius robot is unlikely to be running up and down the stairs of a house. The robot’s battery will also let it run for 40 to 60 minutes when moving or one to two hours when standing still and Hengbot says it takes about an hour to recharge. Other specs on Sirius include an 8-megapixel camera used for vision, two USB-C ports used for development and accessories

Using a network connection, the Sirius robot develops it’s personality with an integration with large language models like OpenAI, which it also uses to process voice commands. This can include asking it to dance, sit or to act like other animals like a cat. Hengbot says the dog itself does not collect data but also advises that the Sirius is designed more for adults who would like to use some of the more creative features that the dog is capable of. 

And that distinction is important, as AI is still prone to hallucinations and other mistakes. For instance, last year my colleague Bridget Carey tested a ChatGPT-enabled teddy bear named Poe made by the Los Angeles-based toy maker Skyrocket. The bear created stories using prompts within the app but at launch its vocabulary was rather verbose for young audiences. While Hengbot’s Sirius robot will primarily be dancing, barking and moving about, Hengbot does say that the Sirius robot is eventually intended to integrate with a wider creative platform meant for hosting and sharing different projects.

The Sirius robot is available to preorder on Hengbot’s website and it’s expected to be available this fall.

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