https://www.bgr.com/tech/apple-releases-ios-15-3-1-with-important-security-updates-for-your-iphone/
Apple Releases iOS 15.3.1 With Important Security Updates For Your iPhone
Feb 10, 2022 - Apple released iOS 15.3.1 on Thursday with security updates and a fix for an issue that caused Braille displays to stop responding.
ios 15 3 1