Apple has now introduced various features, design adjustments, and performance improvements to all iPhone users willing to participate in beta testing programs with the release of iOS 26 Beta 4. This update, seemingly just another fifth iteration of the beta, is hence a huge milestone in Apple’s work toward the final release this year.
Let’s break down what’s new in iOS 26 Beta 4, what users should expect, and if this is the time to install iOS 26 beta or hold out for the public release.
What is iOS 26?
iOS 26 is the latest iPhone operating system by Apple. As announced at WWDC 2025 held earlier this summer, iOS 26 brings a fresh new look, enhanced performance, and innovative features such as Live Translation, improved AirPods support, and an overhauled Lock Screen experience.
With each beta version, Apple adds testing and refinement in preparation for the release of the public version, typically scheduled for September, often coinciding with the introduction of new iPhones.
What’s New in iOS 26 Beta 4?
Beta 4 was built upon the previous betas and featured an array of bug fixes, UI enhancements, and some subtle new features.
1. Improved Stability and Performance
Random crashes recorded by users of earlier betas, AirPods connectivity issues, and lag after switching between apps during usage were all fixed in Beta 4 by Apple. The OS is now smoother, animations feel more fluid, and slowdowns are less frequent.
Battery life has also been improved marginally, as per preliminary observations. However, it’s still not ideal (which is to be expected of a beta preview). Nonetheless, it is somewhat more reliable.
2. Refinements to the “Liquid Glass” UI Design
One of the most discussed changes in iOS 26 involved introducing a new design language dubbed Liquid Glass by Apple. This new interface is characterized by layered transparency, with soft gradients blending into a glowing liquidity that reacts to movement and light.
In Beta 4:
- The transparency has been fine-tuned for better visibility and legibility.
- Many screens that were too “glassy” in earlier versions are easier on the eyes in bright environments.
- Some changes have been made to smooth out the transitions and animations, resulting in a more seamless experience and a polished appearance.
3. Live Translation with AirPods Pro
The exciting feature: Live Translation in AirPods Pro (2nd Gen and later) allows you to listen to real-time translations during conversations and hear the translated output through AirPods while the translation is in progress, whether on a FaceTime call or an in-person conversation.
In essence, this would be highly useful to travelers and international business. Early beta testers report that the app works well, but they complain about accents or background noise affecting its performance.
4. AirPods Beta Firmware and More Audio Controls
The developer build 3 for iOS 16 Beta 4 was accompanied by a new AirPods firmware update, which brings better head-tracking for Spatial Audio, improved auto-switching between devices, and support for the new gestures believed to be featured in the next generation of AirPods.
More detailed controls for noise cancellation and Adaptive Audio are now accessible to users through the Control Center.
5. Wi-Fi and Connectivity Enhancements
Connecting to public and shared Wi-Fi networks has been a little easier, thanks to Apple, from all devices.
- The so-called Wi-Fi Sync Assist automatically shares Wi-Fi credentials between iPhones and iPads logged into the same iCloud account.
- Do you have a problem waiting for the same login to be entered repeatedly on different devices? Now Apple does it for you.
6. New Privacy and Security Settings
Privacy remains a top priority for Apple. In iOS 26 Beta 4:
- A new option blocks unknown wired accessories from communicating with your phone while it is locked.
- Users can now view and manage all blocked contacts and app access permissions on a single screen.
- Apple has also upgraded these TLS encryptions to include a quantum-safe version, thereby preempting any possible cybersecurity threats in the future.
Small Changes That Matter
Alongside the main feature sets, the iOS 26 Beta 4 includes some small quality-of-life renovations:
- Safari animations for opening and closing tabs have been updated.
- In some default apps, icon styles and font weights have been changed.
- Slight redesign of the Settings app, with more grouped sections for more straightforward navigation.
- New wallpapers and additional color themes for widgets.
Should You Install iOS 26 Beta 4?
Here’s a simple breakdown:
Go for it if:
- You’re a developer or tech enthusiast.
- You’re already part of the beta program and want a more stable version.
- You’re eager to try new features, such as Live Translation or the Liquid Glass design.
Wait if:
- You rely on your iPhone for important daily tasks, such as work or school.
- You’re worried about battery life or random bugs.
- You’d rather wait for the public beta, expected within days, or the final version this fall.
What’s Next?
- Apple is expected to release Public Beta 1 later this week, possibly by July 23.
- Additional beta versions will be released in August.
- The final public release of iOS 26 will likely happen in mid-to-late September, alongside the new iPhone 17 lineup.
Conclusion
iOS 26 Beta 4 is demonstrating how much user feedback has been taken into account so far. Thus, the promise of a polished, powerful operating system is being fulfilled. The update feels more polished, the new features are promising, and the Liquid Glass design, although still controversial, is gradually becoming practical. All said and done, Beta 4 stands as a bold flag showcasing how ambitious iOS 26 is becoming.
iOS 26 is a matter of excitement for any iPhone user, whether they are ready for testing now or are still holding out for the final version.
