Few days ago, Apple seeded iOS 9 beta to developers, which contains a lot improvements and optimizations, in particular, the optimization for battery life, user simply enable ‘LOW POWER MODE‘ to extend the battery life about three hours. Course new version also exist many unknown bugs.
If your device has been upgraded to iOS 9 beta, but due to an occasional app crashing, inexplicably stuck or some security issues might make you change your mind, to downgrade the device iOS 8.3 from iOS 9 beta.
If you have decided to do that, just follow the step by step tutorial below for downgrading.
Some notes before you perform
- iOS 8.3 is the only version that you can downgrade, you can not downgrade to another lower, such as iOS 8.1.2.
- Take a backup of your iOS device to iCloud or using iTunes.
- You will not be able to restore back to the iOS 9 compatible backup once the deivce successfully downgraded to iOS 8.3, which only compatible with your latest iOS 8.x backup.
- Turn off Find my iPhone in iOS 9, just go to the Settings app (Settings > iCloud > Find my iPhone)
Step 1: Plug your device into computer, then put it into DFU mode.
Step 2: Once your device is in Recovery mode. iTunes will pop up a window to prompt you “your iPhone in recovery mode”
Step 3: Click on the Ok button.
Step 4: Then click on the Restore iPhone… (iPad/iPod touch…) button in iTunes.
Step 5: A new window pops up, iTunes asks if you have decided to restore, if so, just click on the Restore and Update button to continue.
Step 6: In the next screen, it will give you information about the iOS 8.3 update. Click on the Next button, followed by the Agree button to continue.
Step 7: iTunes will now download the iOS 8.3 software and install it on your device. It should take around 10 minutes.
Step 8: After it is successfully restored to iOS 8.3, you should see the white ‘Helo’ screen. Follow the on-screen instructions to set up your device, and restore your device from the backup to restore your personal data.
That’s it. Your iPhone or iPad should now be successfully downgraded to iOS 8.3.