As is often the case, when a new version of iOS is launched, the Cupertino firm stops signing the old versions in order to encourage users to install a much more recent, stable and secure operating system edition. Therefore, Apple announced that it has officially stopped signing iOS 12.4.
This means that the owners of iPhone, iPad and iPod touch have updated to iOS 12.4.1 They can no longer be returned to the iOS 12.4 version.
The iOS 12.4.1 update arrived without appreciable news, but it is a version designed to prevent a recently appeared jailbreak. This is a patch that was already present in iOS 12.3, but that accidentally deactivated with the arrival of iOS 12.4 and now they have returned to return a month later. In short, this is an update with a specific security objective,
It is best to keep updated
Remember that it is always advisable install the latest stable version available for users, because in addition to their news, they bring bug fixes and security bugs. So if they haven't updated yet, it's time to move on to iOS 12.4.1.
Apple stops signing iOS 12.4, after the release of iOS 12.4.1