Apple has officially released **iOS 16 version 16.7.15 and iPadOS 16 version 16.7.15, bringing important security fixes to older iPhones and iPads that can’t upgrade to newer versions of the operating system.
The update was released on March 11, 2026, alongside iOS 15 15.8.7, and focuses entirely on security improvements rather than new features.
If you still use an older device such as the iPhone 8, iPhone 8 Plus, or iPhone X, installing this update is strongly recommended.
iOS 16.7.15: Key Information
Version
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iOS / iPadOS 16.7.15
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Build number: 20H380
Main purpose
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Security vulnerability fixes
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Protection against known exploit chains
New features
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None
Apple designed this update specifically to protect legacy devices that still run iOS 16 but cannot upgrade to newer major versions.
Major Security Fixes in iOS 16.7.15
The biggest focus of the update is fixing security vulnerabilities that could allow attackers to compromise a device.
WebKit vulnerability
Apple patched a flaw in WebKit, the browser engine used by Safari and many apps.
A malicious website could potentially:
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Execute unauthorized code
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Access sensitive device data
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Trigger further system-level exploits
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Kernel vulnerability
The update also addresses a flaw in the iOS kernel, the core part of the operating system.
Without the patch, attackers might escalate privileges and gain deeper system access.
“Coruna” exploit chain
Security researchers identified an exploit chain sometimes referred to as “Coruna.”
In theory, this attack could allow hackers to:
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Run malicious code on a device
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Access photos or messages
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Gain system control
Apple says the vulnerabilities are now fixed with this update.
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Supported Devices
The update is available for devices that remain on the iOS 16 security support branch.
iPhone
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iPhone 8
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iPhone 8 Plus
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iPhone X
iPad
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iPad (5th generation)
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iPad Pro (9.7‑inch)
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iPad Pro (12.9‑inch, 1st generation)
These devices cannot install newer systems like **iOS 17 or **iOS 18, so Apple continues providing periodic security updates.
How to Install iOS 16.7.15
To update your device:
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Open Settings
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Tap General
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Select Software Update
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Download and install iOS 16.7.15
Before installing:
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Connect to Wi-Fi
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Ensure at least 50% battery
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Backup your device if possible
Why Apple Still Updates Older iPhones
Even though Apple’s latest operating systems have moved far beyond **iOS 16, the company continues maintaining older versions to keep legacy devices secure.
Apple currently maintains several branches:
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iOS 26 – newest generation
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iOS 16 – legacy support for older devices
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iOS 15 – very old iPhones
This approach helps protect millions of users who still rely on older hardware.
Should You Install iOS 16.7.15?
Yes. Because the update focuses on security vulnerabilities, installing it is recommended for all supported devices.
Even though it doesn’t include new features, it prevents potential attacks that could compromise your device.
FAQ
Is iOS 16.7.15 a major update?
No. It is a security update only, with no new features or design changes.
Which iPhones get the update?
Mainly **iPhone 8, **iPhone 8 Plus, and **iPhone X.
Is the update required?
While optional, Apple strongly recommends installing it due to security fixes.
Summary
Apple released **iOS 16 16.7.15 and **iPadOS 16 16.7.15 on March 11, 2026.
The update fixes WebKit and kernel vulnerabilities and protects older iPhones such as the **iPhone 8 and **iPhone X from potential exploits.
If your device still runs iOS 16, installing the update is the best way to stay secure.
