iOS 26.1 vs iOS 18.7.2: Which Update Should iPhone Users Install for Better Security?

Apple has released two separate iPhone updates—iOS 26.1 and iOS 18.7.2. Both versions focus heavily on security and bug fixes, but the updates serve different types of users. While iOS 26.1 introduces new features and extensive protection upgrades, iOS 18.7.2 offers stability for older devices.

iOS 26.1: The Better Choice for Maximum Security

Apple has addressed a larger number of vulnerabilities in iOS 26.1 compared to iOS 18.7.2. For users who prioritize the strongest security, the newer update is the more effective option.

iOS 26.1 also resolves several bugs that appeared after the initial release of iOS 26. Apple has gradually refined the major version, resulting in a noticeably smoother and more stable user experience.

Background Security Improvements

One of the standout features in iOS 26.1 is Background Security Improvements, a new system that automatically manages essential security updates without user interaction. This helps protect devices against modern spyware and fast-evolving threats.

iOS 18.7.2: Stability for Older iPhones

For users who prefer a more conservative update path, iOS 18.7.2 remains a strong option. The update fixes around three dozen vulnerabilities, including severe Kernel and WebKit flaws.

The version also avoids newer features like Apple’s Liquid Glass interface, which has received mixed reactions from users. Apple is expected to support iOS 18 with essential security updates for several more months.

Ideal for Older Devices

If you have an older iPhone or limited storage, iOS 18.7.2 delivers reliable security without requiring new system features that may tax your hardware.

Expert Recommendation

Cybersecurity expert Jake Moore from ESET recommends upgrading to iOS 26.1 if your iPhone supports it. “It’s the safer choice for users who want the strongest protection and the latest system improvements,” he says.

However, everyday users who don’t need new features can safely remain on iOS 18.7.2 until the next major release arrives.

Which Update Should You Choose?

• Choose iOS 26.1 if you want the newest features, maximum security, and ongoing support.
• Choose iOS 18.7.2 if you prefer stability or use an older device.

To update, go to Settings → General → Software Update and select the version best suited to your device and needs.