How to Downgrade iOS/iPadOS with ReiBoot

Step 1. Connect iPhone to Computer

Run ReiBoot on your computer and connect iPhone to computer. Once the device is connected, click “Downgrade iOS” at the bottom left of the panel.

Step 2. Choose Deep Downgrade Option

Since it is a beta version, you should choose Deep Downgrade mode. Then, click the button below.

Standard Downgrade: supports to downgrade minor iOS version, such as downgrade iOS 15.5 to 15.4.
Deep Downgrade: supports to downgrade between the major version, including iOS beta downgrade. For example, downgrade iOS 16 to iOS 15.5.

Step 3. Download Firmware Package

ReiBoot will detect your iOS version automatically and display the downgradable iOS firmware. Click “Download” to get the package.

• If you failed to download the firmware, just hit the ‘click here’ to download it through browser.
• If you've already have a firmware on computer, just click "import local file" to import the firmware manually.

It may take a few minutes to download the firmware.

Note:

• Unsigned IPSWs cannot currently be restored via ReiBoot. If the iOS version is not supported to downgrade, the program will prompt that no downgradable iOS firmware found.

  
• You can visit the IPSW website to check which firmware Apple is signing.

Step 4. Start Deep Downgrade

Once the firmware package is downloaded on your computer, you can click 'Start Deep Downgrade' to downgrade iOS/iPadOS.

Deep Downgrade will cause all data and settings loss, please make sure that you have made a backup before. If confirmed, then click “Continue” button.

Step 5. Downgrading

The program starts to downgrade iOS/iPadOS, please do not disconnect your device during the downgrade process.

When the downgrade is completed, you will see the completed page and your iPhone/iPad will go back to the previous version.