iOS 27 Beta 4: All the New Features and Changes Explained! (2026)

iOS 27 Beta 4: A Sneak Peek at Apple's Upcoming Operating System

As we approach the September launch of iOS 27, Apple continues to fine-tune its latest operating system with the release of the fourth developer beta. While there are fewer changes compared to previous betas, each update brings us closer to understanding the direction Apple is taking with this major release. So, what's new in iOS 27 Beta 4? Let's dive in and explore some of the key features and improvements.

TV App: Convenience at Your Fingertips

One of the notable additions in this beta is the new Automatic Downloads toggle in the Settings section of the Apple TV app. This feature allows users to automatically download the next two episodes of shows they start watching in the Continue Watching section. It's a handy feature for those who like to binge-watch without worrying about manual downloads. However, it's worth noting that these episodes will be deleted once you finish watching them, so plan accordingly!

Photos: A Slight Zoom

In the Photos section of the Settings app, a new "Zoom Photos to Fill" toggle has been introduced. This feature slightly zooms photos that nearly match the screen's aspect ratio, providing a more immersive viewing experience. While it might not be a groundbreaking change, it's a subtle improvement that enhances the overall user experience. The feature is turned on by default, so you won't have to worry about adjusting it manually.

Wallpaper: A Disappearing Feature

Unfortunately, the wallpaper feature that was added in the Notification Center in beta 3 has been removed in this update. When swiping through the Home Screen, you would see a cutout of the subject of your wallpaper, but that's no longer the case. While it was a unique and visually appealing feature, its removal might be a necessary step to streamline the user interface.

Siri Voices: A Customizable Experience

The Siri Voice selection interface has undergone a change. On devices without the option to set a customizable voice, the interface now resembles the custom voice look with various voices and accents to choose from. This is a welcome addition for those who want to personalize their Siri experience. However, it's limited to the iPhone 17 Pro, iPhone 17 Pro Max, and iPhone Air at the moment.

Siri Settings: Fine-Tuning Your Experience

In the Siri section of the Settings app, a new option allows users to adjust the length of previews in the Siri app. You can choose up to five lines or opt for no preview at all. This gives users more control over their Siri experience, ensuring that they only see the information they need when interacting with the virtual assistant.

Accessibility: Transcribing Your Voice

In the Accessibility section, a new "Always Show Request" toggle has been introduced. This feature shows a transcription of what you say to Siri on the screen, providing a helpful accessibility feature for those who rely on voice commands. It's a small but significant addition that improves the overall usability of the operating system.

ProRes Log Format: Flexibility for Editors

In the Camera section of the Settings app, an option to choose a ProRes log format has been added. By toggling Apple ProRes on, users can select either Log or Log 2. Log 2 is the latest format, offering more flexibility for color adjustments and post-capture editing. This feature is a boon for video editors and content creators.

Wi-Fi Assist: Customizable Connectivity

A new option to enable or disable Connectivity Assist for each Wi-Fi network has been introduced. This gives users more control over their network settings, allowing them to customize their connectivity experience based on their specific needs. It's a small but significant improvement that enhances the overall reliability of the operating system.

AirPods: Enhanced Adaptive Mode

Apple has updated the look of AirPods options in Control Center, adding more options for Adaptive mode. This feature allows users to customize their AirPods experience, ensuring that they get the most out of their wireless headphones. It's a welcome addition for those who want to personalize their audio experience.

Dual Battery iPhone: A Glimpse into the Future

Code in the fourth beta of iOS 27 references an iPhone with two batteries, with strings like "The batteries in this iPhone are performing as expected." This could be a hint at the foldable iPhone Ultra, which is expected to feature a dual-battery design. While it's not a confirmed feature, it's an exciting prospect that could revolutionize the smartphone market.

Conclusion: A Sneak Peek into the Future

iOS 27 Beta 4 offers a glimpse into the future of Apple's operating system, with a focus on convenience, customization, and enhanced features. From the new Automatic Downloads toggle to the customizable Siri voices, each update brings us closer to understanding the direction Apple is taking with this major release. As we await the September launch, it's clear that iOS 27 will be a significant update, offering a range of new features and improvements that will delight users and set a new standard for mobile operating systems.

iOS 27 Beta 4: All the New Features and Changes Explained! (2026)
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