Apple officially permits all iOS device users to use Developer iOS 12 Beta version (First Edition after WWDC confirmation), on iOS 12 compatible models only. In the last tutorial, I cover the whole guide on Download and Install iOS 12 Developer Beta on iPhone/iPad or iPod Touch. Usually, Developer iOS version released with big to small bugs. Please, Careful about this and take the backup before start the process for iOS installation.
Apple’s partial formats for new iOS release of iOS 12 is first you will get Developer Beta, then Public Beta version and Finally public.
Also, you can jump any version of iOS using Downgrade or Upgrading steps.
Steps for Download & Install iOS 12 Developer Beta on iPhone, iPad
Keep ready with the latest version of iOS 11 ipsw file.
iOS 11.4 ipsw file Last[iOS 11 ipsw file]
Open iTunes on Mac or PC (Keep the latest version of iTunes) or Check for update iTunes.
Connect your iPhone/iPad to iTunes via lightening cable.
Your iOS device icon appears on the iTunes top bar > Summary.
In your Device Summary page, you can see “Restore iPhone” button. Click on the button with the Shift key (Windows) and Left Option key (Mac).
Select downloaded ipsw firmware file and start downgrading process. You are done!
Also Note: Apple stopped signing in with older firmware versions iOS 11.2.2, iOS 11.2.1, iOS 11.2 officially. You can only downgrade from iOS 11.2.5 or later latest version.
Take a backup before you start downgrade, after that you can restore back all data from recent backup. Although these tips switch to an older version of iOS without any data loss.
Let’s enjoy new downgraded public version from iOS 12 developer beta.