Apple released a few hours ago, the first beta of what will be the next OS update, version number 13.4.5, which currently gives us something new to know is a possibility Share our favorite Apple Music songs on Instagram.
But the launch of this first beta is not the only issue affecting managed devices, starting an hour after this launch, Apple has stopped signing iOS 13.3.1.
When you stop signing for iOS 13.3.1, users are already they can't slow down via iTunes or Finder (depending on the type of macOS they use). Re-installing the earlier version than Apple signed at that time would be useful for trusted users with jailbreak, but it is also very effective, and we may need it for those users who are experiencing performance issues on their devices. after installing the latest version of iOS.
If you are among users who have experienced a decrease in the performance of their devices after installing iOS 13.4 or higher battery usage, the lack of a previous version, the only thing you can do, and that may solve your work problems reinstalling your device from scratch and installing a cleaner version of iOS 13.4
If you use any iCloud programs, you will have no trouble depending on the photos and videos and all the details, as this is stored in the cloud. If this is not your fault, the first thing you should do is install your backup, use the free 5 GB of iCloud to back up your calendar, contacts, notes and more and restore your app to the beginning.