Apple has released iOS 12.4.6 for older model iPhone and iPad devices that are not able to run iOS 13.4 and iPadOS 13.4.
The iOS 12.4.6 is said to include important security updates and thus is recommended for eligible users to download and install onto their devices. No new features are expected to be included with iOS 12.4.6.
Devices eligible for the iOS 12.4.6 update include iPhone 6 Plus, iPhone 6, iPhone 5s, iPod touch 6th generation, iPad Air 1, iPad Mini 2, and iPad Mini 3. Newer iPhone and iPad models are able to download iOS 13.4 and iPadOS 13.4 instead.
How to Update to iOS 12.4.6
Before anything else, backup the iPhone or iPad to iCloud, iTunes, or to MacOS before beginning any system software update. Failure to backup could lead to data loss.
The easiest way for most users to download iOS 12.4.6 is through the Software Update mechanism in Settings app on the iPhone, iPad, or iPod touch:[ssredlist]
- Open the “Settings” app
- Go to “General” and then choose “Software Update”
- Choose to “Download and Install” iOS 12.4.6
iOS 12.4.6 will download and install automatically, requiring a device reboot to complete. When the installation has finished, the iPhone, iPad, or iPod touch will automatically boot itself back up and be usable again as normal.
Release notes accompanying the iOS 12.4.6 update download are very brief stating that it “provides important security updates” and is therefore recommended for all users who are eligible for the update.
More advanced users can also choose to update iPhone or iPad manually by using IPSW as detailed here.
iOS 12.4.6 IPSW Download Links[ssbluelist]
Separately, Apple has also released macOS Catalina 10.15.4 for Mac. Along with Security Update 2020-002 for macOS Mojave and High Sierra, iPadOS 13.4 for newer iPad, iOS 13.4 for newer iPhone, along with updates for tvOS and watchOS.