Apple has released a new software update for iPhone, iPad, and iPod touch. iOS 11.3.1 is likely a bug fix update to the iOS 11.3 software update released last month. Apple has also released a security update to the recent macOS 10.13.4 update to macOS High Sierra.
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Apple currently shows the iOS 11.3.1 release on its developer portal with build version 15E302, and the release will likely be released over-the-air shortly for all customers.
With iOS 11.3 released in late March and iOS 11.3.1 out today, Apple is also running a developer and public beta version of iOS 11.4, likely due out in late May or early June, which includes AirPlay 2 and Messages on iCloud.
iOS 11.3.1 includes a fix for display issues experienced on iPhone 8 with third-party repairs and security improvements for all iPhones and iPads.
- Third-party iPhone 8 screen repairs reportedly bricking devices with iOS 11.3
- iFixit speculates iOS 11.3 touchscreen issues aren’t purposeful, just software bugs