Everything new in iOS 18 beta 3: Dark mode icons, dynamic wallpapers and more

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The third beta of iOS 18 is now available to developers. The update introduces new features like dark mode icons, dynamic wallpapers as well as standard bug fixes and improvements.

Here’s a detailed look at what’s new in iOS 18 beta 3.

what’s new in iOS 18 beta 3

One of the most notable changes in iOS 18 beta 3 is the automatic application of dark mode to Home Screen app icons. Previously, only Apple’s first-party icons received this treatment, but the latest beta extends this feature to third-party apps with simple color palettes. This algorithmic approach ensures a more uniform look, especially for fans of dark mode who have long customized their iPhone Home Screens for a consistent aesthetic.

While this change is a welcome addition for many, it comes with caveats. The automatic dark mode treatment works best on icons with single glyphs or letters like Facebook and Uber. However, more complex icons might display white or gray pixels at the edges, creating a less polished appearance. Apps that already use black icons remain unaffected.

iOS 18 beta 3 also introduces dynamic wallpapers that change color throughout the day, adding a touch of personalization to your iPhone. The flashlight interface has been refined for iPhone 15 Pro and Pro Max users, and the Photos app’s “Select” button is now always visible for easier navigation.

How to access iOS 18 beta 3

To install the developer beta update, you will need an Apple Developer Account which usually costs $99/year. If you sign in with the same account on your iPhone, you should see the option to switch to the developer beta when you go to Settings > General > Software Update > Beta Updates.

Alternatively, you can wait for the public beta, which is available for free.

  1. Make sure your device is connected to a stable Wi-Fi network.
  2. Do a complete iCloud backup of your device.
  3. Charge your device to at least 50% battery capacity.
  4. Go to Settings > General > Software Update.
  5. Tap Download and Install.
  6. Enter your passcode or use Face ID or Touch ID to authenticate.
  7. Your device will download and install the update. This may take some time.
  8. Once the update is complete, your device will restart.

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About the Author

Asma is an editor at iThinkDifferent with a strong focus on social media, Apple news, streaming services, guides, mobile gaming, app reviews, and more. When not blogging, Asma loves to play with her cat, draw, and binge on Netflix shows.

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