

When done, your phone will restart and you can disconnect from PC. The firmware will now start installing on your phone.

After clicking on Update, navigate to iOS 12.1 beta 4 ipsw file that you just downloaded and select it. If you are on Mac, hold “Option” button and click on “Update”. Now, if you are on Windows PC, hold “Shift” button and click on “Update”. Make sure to backup your data before installing the beta update. Connect your iPhone, iPad or iPod to the PC or Mac. If you want to install iOS 12.1 Beta 4 without PC then you can download beta OTA configuration profile of iOS 12.1 Beta 4.įirst of All download the iOS 12.1 Beta 4 ipsw firmware file from above links. For iPhoneI # For iPad # For iPod # iOS 12.1 Beta 4 Over the Air (OTA) Profile, No PC # Get the ipsw file compatible with your phone from below links. IOS 12.1 Beta 4 is available to download now.

After downloading the file, follow installation instructions. You can download the compatible iPSW file for iPhone from below links.
