iOS 27 Review: Apple Intelligence, Siri AI, and New iPhone 18 Pro Features

Charlotte Bayley

Updated: September 17, 2026

Ready for the next evolution of your iPhone? In this review, we'll cover the most important changes in iOS 27, explain what iPhone 18 Pro adds at the hardware level, share essential preparation tips, and show how to handle potential data recovery issues if things go sideways.

• 1. A Visual Revolution: First Look at the 'Liquid Glass' Design
• 2. Your Device Just Got Smarter: The Leap Forward with Apple Intelligence
• 3. Taking Back Control: Privacy and Communication Upgrades
• 4. Before You Upgrade: Is It Time to Make the Jump?
• 5. A Safety Net for Upgrade Hiccups: Data & Password Recovery
• 6. Final Thoughts: Is iOS 27 Worth the Upgrade?

1. Liquid Glass Continues into iOS 27

Without a doubt, the most striking change carried into iOS 27 is the Liquid Glass interface. Apple has completely reimagined core elements like the Lock Screen, Control Center, and app icons, giving them a stunning, semi-translucent aesthetic that feels alive under your fingertips.

* image: Apple

The seamless integration of Liquid Glass design elevates the user interface with:

• Layers and Depth: Menus, widgets, and notifications now float on elegant, glassy layers, creating a sophisticated sense of depth.
• Dynamic Spatial Wallpapers: New wallpapers bring an incredible sense of motion and perspective, turning your device into a piece of living art every time you pick it up.
• A Unified Aesthetic: Whether you're in light or dark mode, the system maintains a cohesive, crystal-like appearance that feels both modern and immersive.

It's a daring design shift, and while it might take a moment to get used to, it's a clear signal of Apple's vision for a more modern and engaging iOS.

2. Apple Intelligence and Siri AI

Beyond its beautiful new face, the "brain" of iOS 27 has received a major upgrade. Apple Intelligence is now more deeply integrated across the system, making everyday tasks faster, more intuitive, and genuinely helpful. If you're curious about all the capabilities of Apple Intelligence, our comprehensive breakdown of Apple Intelligence covers everything you need to know.

An Assistant That's Everywhere

From smarter text predictions to powerful image recognition, Apple Intelligence is now part of Messages, Safari, Photos, and more. Here are a few highlights:

• Live Translation: Effortlessly translate conversations, text, and even phone calls in real time, breaking down language barriers on the spot.
• Proactive Camera Lens Alerts: Before you take a photo, iOS can now detect smudges on your camera lens and suggest you give it a wipe, ensuring every shot is crystal clear.

* image: Apple

iPadOS 26: A New Level of Productivity

For iPad users, iPadOS 26 builds on this intelligence with even more powerful multitasking. For users who want to extend their iPhone or iPad display to a larger screen, our guide on iPhone Mirroring provides step-by-step instructions. You can now resize windows with desktop-like freedom, making cross-app workflows smoother and more efficient than ever before.

3. Privacy, Communication, and Everyday Improvements

Apple continues its focus on user privacy and control in iOS 27 with several meaningful enhancements to your daily communications.

• Call Screening: Unknown callers can be prompted to state their name and the purpose of their call. This information is transcribed in real-time on your screen, letting you decide whether to answer, all while filtering out robocalls.
• Upgraded Messages: Group chats get more engaging with the ability to create polls, and you can now set custom chat backgrounds for different conversations, making them more personal.
• Smarter Spam Filtering: An improved algorithm does a better job of catching and silencing junk texts and spam calls, bringing more peace to your day.

* image: Apple

These updates may not be as flashy as the new design, but they significantly improve the day-to-day experience of using your iPhone, making it feel safer and more streamlined.

4. Compatibility and What to Do Before Upgrading

Apple lists iPhone 11 and newer models, plus iPhone SE (2nd generation) and newer, as compatible with iOS 27. The iPhone 18 Pro and iPhone 18 Pro Max ship with the new system. Before you tap "Download and Install," keep these three things in mind:

1. Backup! Backup! Backup! We can't say it enough. Major system updates are complex, and you should always have a recent backup of your photos, contacts, and important data. If you need help restoring your data, our guide on how to restore photos from iCloud can assist you.
2. Expect a Temporary Battery Dip: For the first day or two after updating, your iPhone will perform background tasks like re-indexing files. This can cause temporary battery drain, which is completely normal. If you're concerned about optimizing your iPhone's battery life, check out our comprehensive guide on power saving tricks to extend iPhone battery life.
3. Adjust Visuals if Needed: Some may find the glass effects less readable in direct sunlight. If so, a quick trip to Settings to tweak brightness or accessibility options like "Increase Contrast" can help.

5. A Safety Net for Upgrade Hiccups: Data and Passcode Recovery

While most upgrades go smoothly, hiccups can happen. You might forget your encrypted backup password, find data missing after the update, or get locked out of your device. If you're having trouble with encrypted backups, our guide on what to do when you can't uncheck encrypt iPhone backup in iTunes might help. When you're stuck, specialized third-party tools can be a lifesaver.

For instance, tools like iSumsoft iPhone Password Refixer are designed to solve these exact problems. If you find yourself unable to access an iTunes backup or are facing login issues after the iOS 27 update, their software could provide a practical solution. Confirm current device and iOS compatibility before purchase.

iSumsoft iPhone Passcode Refixer

Remove Various Passcodes on Your iPhone, iPad, and iPod Touch

• Unlock Screen Lock from locked, disabled, or unavailable iPhone/iPad/iPod Touch
• Remove Screen Time passcode or Restrictions passcode without data loss
• Detect, View, and Export All Passwords with iOS Password Manager
• Supports all iPhone/iPad/iPod Touch models
• Compatible with all iOS/iPadOS versions, including the latest iOS 18

FREE DOWNLOAD

Having a backup plan for the unexpected is always a smart move.

We also have some tutorials for downgrade iOS 26 to other iOS version, take a glance if you need!

6. Final Thoughts: Is iOS 27 Worth the Upgrade?

With iOS 27, Apple has delivered a substantial software update for supported iPhones. The Liquid Glass design gives the operating system a fresh, vibrant identity, while Apple Intelligence makes your device smarter and more proactive. Combined with privacy enhancements and the iPhone 18 Pro hardware, iOS 27 is a clear statement about the future of mobile computing.

Just make sure your device is ready, your data is backed up, and remember that if something goes wrong, tools like iSumsoft are there to help you get back on track.