Apple Releases iOS 27 Beta 4 With New Features

Ender Öztürk

July 21, 2026

Apple has officially released the iOS 27 Beta 4 update to developers and public beta testers today, marking a significant step forward ahead of the highly anticipated September product launch. While this latest iteration focuses primarily on system stability and refined performance rather than major structural overhauls, it introduces several notable enhancements to media consumption, camera utility, and overall interface navigation. As the company prepares for its upcoming hardware cycle, developers have already begun scouring the system files, uncovering intriguing references that suggest future device capabilities, including potential shifts in battery architecture and expanded professional-grade photography support for upcoming iPhone models.

Apple TV and Photos App Receive Updates

The latest beta introduces a streamlined experience for Apple TV users through a new automatic download setting. When enabled, the system intelligently fetches the next two episodes of a series, ensuring they are ready for offline viewing while automatically clearing cache space once the content has been consumed. Simultaneously, the Photos application has received a functional update, adding a dedicated toggle that allows the system to automatically zoom into images to better match the aspect ratio of the user’s display.

The notification center wallaper animation introduced in Beta 3 has been completely removed in this release.

Siri and Interface Options Undergo Redesign

Apple has overhauled the Siri voice selection interface to provide a more intuitive navigation experience for users. This new design language is being applied universally, even to devices currently lacking customizable voice options, while hints in the code suggest that more robust voice packs are in development for upcoming iPhone 17 Pro and Air models. Furthermore, a new accessibility feature allows users to view their Siri requests as on-screen text, while a refreshed welcome screen now guides new users through the updated search interface.

Camera and Wireless Connectivity Capabilities Improve

Professional content creators will benefit from the addition of the ProRes Log 2 format, which is now accessible directly within the camera settings menu. This high-end format provides greater data density, offering significantly more flexibility during the color-grading process for cinema-grade video production. In terms of connectivity, the Connection Assistant has been updated to allow users to toggle specific preferences for individual Wi-Fi networks, while the Control Center now offers expanded management options for AirPods users.

System code references to dual-battery architecture may point toward the development of a foldable iPhone Ultra device.

Future Hardware Specifications Begin to Emerge

Hidden within the system files, diagnostic logs explicitly mentioning battery health and efficiency under a dual-cell arrangement have sparked speculation regarding upcoming hardware. This architecture is widely considered essential for the power management demands of a potential foldable iPhone, suggesting that Apple is preparing for a major leap in energy efficiency and internal structural design. As the beta cycle progresses, these technical clues provide a clearer picture of the engineering priorities Apple is establishing for its next generation of mobile hardware.

We are curious to know which of these new iOS 27 Beta 4 features you find most beneficial for your daily workflow. Do you believe the rumors regarding a foldable iPhone and dual-battery technology will change the industry, and what are your expectations for these hardware shifts? Let us know your thoughts in the comments section below.