Apple is pushing out its latest public test build, iOS 26.3 beta, to eligible iPhones, and it includes a couple of smart tweaks that make a big difference. The update revolves around making it easier to switch between devices, wider support for wearables within the EU, and a small but welcome refresh to wallpapers. Here’s how to install it and what to try.
How to download and install the iOS 26.3 public beta
First, make sure you back up your iPhone either on iCloud or with a full encrypted backup on a Mac with Finder. Beta software can have bugs, and a new backup is your safety net if you need to revert.
Next, log in at Apple’s beta site with your Apple ID and enroll your iPhone in the iOS Public Beta. Then, on the phone, go to Settings > General > Software Update and tap Beta Updates, select iOS Public Beta, and return to the software update page to download and install the build.
Be sure to have at least 50% battery and a reliable Wi‑Fi connection. If you rely on critical banking or work apps, install the beta on a secondary device. Apple’s beta cycles are usually complex, so you should see semi-regular updates deploying shortly after the first beta lands.
The coolest new features to try in iOS 26.3 beta
Wallpaper picker refresh: The Wallpapers screen now separates Weather and Astronomy into their own sections, so it’s easier to find the background you’d like.
Apple added new Weather selections too, with more detailed graphics representing real conditions. It’s a tiny shift, but it reduces taps and makes this personalization feel more considered.
Notification forwarding to third-party wearables (EU only): Users on iOS 26.3 can have iPhone notifications mirrored to non‑Apple watches and bands—a significant change for Wear OS, Garmin, Fitbit, and Pixel Watch users.
The feature is limited to the European Union for now, in line with interoperability requirements of the EU’s Digital Markets Act. If you’ve been put off Apple Watch but would still like wrist‑first alerts from iOS, this is the most pragmatic enhancement in this beta. It hasn’t been announced for availability outside of the EU.
Seamless iPhone-to-Android switching: Apple worked with Google to make this transition as easy as possible. Set your iPhone near a new Android device and the wireless transfer can transfer not just messages, notes, photos, and apps where available, but also help with your phone number via eSIM when supported by carriers. This is more than just the age-old “install an app and pray” model—it’s removing obstacles from the process.
Real‑world example: If you’re transitioning from an iPhone to a modern Pixel, the nearby transfer system can re-create your messaging history and key content in one go, smoothing over the typically disjointed situation that had long been present when switching platforms. The flow is also now simplified for restoring an iPhone from Android, so it helps on both sides.
Why these iOS 26.3 beta changes matter for users
Interoperability is already emerging as a competitive differentiation. The European Commission has tried to push gatekeepers toward more openness, and the new wearable notifications feature is a tangible fruit of that pressure. For consumers, this means you can select the watch or band that fits your training, battery life, or budget without giving up iPhone alerts.
On the topic of switching, as both CIRP and IDC have suggested for years: platform loyalty is high but not a marriage that survives from the best of times to the worst of times. Even in years when only a single‑digit to low‑teens slice of the user base switches platforms, that experience of switching weighs on purchase decisions. By reducing the friction, Apple and Google are acknowledging that people have come to expect their digital lives to follow them with as little setup pain as possible.
Pro tips before you install the iOS 26.3 beta
- Check app compatibility: If you depend on a particular banking, workplace security, or smart‑home app, take a quick look at recent user reviews or developer notes for signs of open beta issues. Early betas might impact notifications, Bluetooth accessories, or battery life.
- Have an exit plan: If something breaks, you can restore your way back to the latest public release with your backup. Make sure you have plenty of free storage (both for the beta and any upcoming point releases); go to Settings > General > iPhone Storage to make space if necessary.
- Try features methodically: Start with the wallpaper changes (for stability), then wearable notifications for those in the EU, and finally a dry run of the cross‑platform transfer if you’re about to swap devices. Consider this a test drive, not a production deployment.
There aren’t a lot of flashy features in iOS 26.3 beta, but the changes are important. Apple’s nudges here include simplifying daily personalization, opening up to third-party wearables in Europe, and clearing the obstacle course between iPhone and Android that long encouraged people to stay on a platform because of the phone they owned—and not necessarily for loyalty to features or benefits.