Apple has released iOS 11.2.2 for iPhone and iPad. The new software update provides a security improvement to presumably address the Meltdown and Spectre security vulnerabilities, and is therefore recommended for all iPad and iPhone users to install on their compatible devices.
The simplest way to download and install iOS 11.2.2 is through the Software Update mechanism on the device itself, however users can also use iTunes, or use IPSW firmware files. iOS 11.2.2 will install on any device compatible with iOS 11.
How to Install iOS 11.2.2 Update
The simplest way to update to iOS 11.2.2 is through the OTA mechanism within the Settings app of iOS.
Always backup the device to iCloud or iTunes, or both, before installing any iOS software update.
- Open the “Settings” app and go to “General” and then to “Software Update”
- When iOS 11.2.2 appears, choose to “Download and Install”
The iPhone or iPad will download the update, reboot, install the software update, and then reboot again.
Users can also choose to install iOS 11.2.2 through iTunes with a device connected to a computer, or through IPSW firmware files, available to download at the links below.
iOS 11.2.2 IPSW Firmware Download Links
Anyone can install iOS by using IPSW, though it’s generally considered advanced and requires a computer, iTunes, and a USB cable.
iOS 11.2.2 Security Release Notes
The security specific release notes for iOS 11.2.2 contain the following information:
Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Description: iOS 11.2.2 includes security improvements to Safari and WebKit to mitigate the effects of Spectre (CVE-2017-5753 and CVE-2017-5715).
Separately, Mac users will find updates available for Safari and High Sierra that also helps to patch the web browser against the Meltdown and Spectre security flaws.
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