Apple recently released their first beta of iOS 12.4 and now we have a new speed test video of iOS 12.4 beta 1 vs iOS 12.3 .
In the video below we get to see the two versions of iOS run on the iPhone 5S, iPhone 6, iPhone 6s, iPhone 7 and iPhone 8. If you want to look at a specific devices, the iPhone 5S video starts at 00.25, the iPhone 6 9.18, iPhone 6S 17:18, iPhone 7 23.48 and the iPhone 8 30.07 minutes in.
As we can see from the video the iPhone 5S, iPhone 6 booted up faster with the new beta, the iPhone 6S booted up faster with iOS 12.3. The iPhone 7 also booted up slightly faster with the new beta and the iPhone 8 also booted up slightly faster.
There do not appear to be any major improvements in the apps in the new iOS 12.4 beta 1 but there is a minor improvement in boot times on some devices. We are expecting Apple to release their new iOS 12.4 software some time in June.