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Apple Releases iOS 27.2.1 and macOS 27.2.1 Updates
Confirmed
In Short: Apple released updates for iOS, iPadOS, and macOS, addressing security vulnerabilities and adding new features.

Apple released iOS 27.2.1, iPadOS 27.2.1, and macOS 27.2.1 updates today, fixing a number of security vulnerabilities and adding new features.
The updates address four vulnerabilities that Apple credits to internal findings, as well as an eMudhra certificate vulnerability in macOS, which adds protections for command-line tools.
Apple did not disclose whether these vulnerabilities had been exploited in the wild, but with the details now public, devices not running the new software could be more vulnerable to attacks.
The updates also include Siri AI improvements, enhanced Suggestions in Messages, and a rebranding of Apple Music.
Apple’s iOS 27.0.1 release notes mention that two phones could unexpectedly restart when Face ID failed to authenticate.
During the beta period, Apple said apps could launch up to 30% faster, new photos could load up to 70% faster, and AirDrop transfers could be up to 80% faster under its testing conditions.
Apple also plans to release a higher-end version of its HomeView smart home hub with a larger 9-inch screen that can swivel a full 360 degrees on a robotic arm.
Apple’s new foldable iPhone features a book-style design with a 5.4-inch outer display and a 7.6-inch inner display with a minimal crease down the middle.
The new iPhone models run the A20 chip, feature cameras with a revolutionary variable aperture, and have the longest battery life of any iPhone ever, according to Apple.
Apple’s new HomeView hub reportedly encountered difficulties developing the motor system, which could explain why the device is expected to arrive in 2027 or 2028.
Apple has also started rolling out watchOS 27.0.1 for new Apple Watch Series 12 and Ultra 4 users.
The latest update available for the Apple Watch Series 9, Series 10, Series 11, Ultra 2, Ultra 3, and SE 3 is still watchOS 27.0.
What this adds
The updates also include improvements to low-light photo performance, with Apple stating that they deliver about 50 percent better low-light photos.
Apple’s US screen repair fees for recent models (front screen only, before tax) were reported by 9to5Mac for the iPhone 17 family.
Apple’s instructions call for current iOS, a Wi-Fi connection, and enough battery charge before running the update.
What's confirmed
- Apple released iOS 27.2.1, iPadOS 27.2.1, and macOS 27.2.1 updates today, fixing a number of security vulnerabilities and adding new features.
- The updates address four vulnerabilities that Apple credits to internal findings, as well as an eMudhra certificate vulnerability in macOS, which adds protections for command-line tools.
- Apple did not disclose whether these vulnerabilities had been exploited in the wild, but with the details now public, devices not running the new software could be more vulnerable to attacks.
- The updates also include Siri AI improvements, enhanced Suggestions in Messages, and a rebranding of Apple Music.
- Apple’s iOS 27.0.1 release notes mention that two phones could unexpectedly restart when Face ID failed to authenticate.
- During the beta period, Apple said apps could launch up to 30% faster, new photos could load up to 70% faster, and AirDrop transfers could be up to 80% faster under its testing conditions.
- Apple also plans to release a higher-end version of its HomeView smart home hub with a larger 9-inch screen that can swivel a full 360 degrees on a robotic arm.
- Apple’s new foldable iPhone features a book-style design with a 5.4-inch outer display and a 7.6-inch inner display with a minimal crease down the middle.
- The new iPhone models run the A20 chip, feature cameras with a revolutionary variable aperture, and have the longest battery life of any iPhone ever, according to Apple.
- Apple’s new HomeView hub reportedly encountered difficulties developing the motor system, which could explain why the device is expected to arrive in 2027 or 2028.
- Apple has also started rolling out watchOS 27.0.1 for new Apple Watch Series 12 and Ultra 4 users.
- The latest update available for the Apple Watch Series 9, Series 10, Series 11, Ultra 2, Ultra 3, and SE 3 is still watchOS 27.0.
What's still developing
- Apple says it delivers about 50 percent better low-light photos.
- If you bought an iPhone 17 Pro or Pro Max last year, should you upgrade to Apple’s latest iPhones?
- The confirmation marks a significant development in an issue The Apple Post has been following since shortly after the iPhone 18 Pro Max launched, with affected customers reporting devices dropping into SOS mode and losing access to calls, messages, and cellular data.
- Apple’s new explanation clarifies that iOS 27.0.1 was never intended to repair a device after the cellular failure had already occurred.
- Apple’s US screen repair fees for recent models (front screen only, before tax): These are the fees Apple listed when each lineup launched (reported by 9to5Mac for the iPhone 17 family).
- Apple’s instructions call for current iOS, a Wi-Fi connection, and enough battery charge before you run it.
- It has a 6-core CPU, a 7-core GPU that Apple rates 40 percent faster than the A19 Pro.
- However, there's no single app that "fixes" Android 16 QPR2's lock screen.
