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Incidentally, if youre expecting to findApple Intelligence featuresin the launch version of iOS 18, think again.

In this guide, were focusing on the launch version of iOS 18 specifically.

Three iPhones running iOS 18

Follow these steps to find the ‘Upgrade to iOS 18’ button

Below, we’ve detailed the full list of iOS 18-compatible iPhones.

For more information, including confirmed iPadOS 18 compatibility, check out our dedicatediOS 18 and iPadOS 18 compatibilityexplainer.

If iOS 18 is available, youll see aniOS 18 update messageat the bottom of the screen.

iPhone 15 Pro review front flat angled handheld

Follow these steps to find the ‘Upgrade to iOS 18’ button

TapDownload and Install, thenenter your passcode.

Next,agree to the Terms and Conditions, andwait for iOS 18 to install.

Incidentally, youll likely need between 5GB and 10GB of free storage space to download iOS 18.

Three iPhones showing the install process for iOS 17

Follow these steps to find the ‘Upgrade to iOS 18’ button

To check your iPhones current storage situation, go toSettings > General > iPhone storage.

Control Center upgrades

Like the Home Screen, Control Center also gets a makeover in iOS 18.

Or rather, youre now free to give it one.

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Redesigned Photos app

iOS 18 introduces the biggest-ever redesign of the Photos app.

Apple says this reduces the risk of database corruption or issues with third-party apps.

Messages upgrades

iOS 18 brings some major changes to the way you message on iPhone.

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A dedicated Passwords app

iOS 18 also launches with a new, built-in iPhone app: Passwords.

Nice work, Apple!

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iOS 18 introduces the ability to schedule messages(Image credit: Apple)

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You’re also able to send messages via satellite in iOS 18(Image credit: Apple)

Apple Passwords app - Security Alerts

The new Passwords app in action on macOS Sequoia