iOS 18.3.1 (22D72) for iPhone 16

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iPhone 16

✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.

Your download should begin shortly. If it does not, you can download it directly here:

Download (8.8 GiB)

This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore. The instructions below are included for reference only.

Windows

  1. Install the latest version of Apple Devices from the Microsoft Store.
  2. Plug your iPhone 16 in to your PC.
  3. Open Apple Devices, and navigate to your iPhone 16.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone17,3_18.3.1_22D72_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 16 to reboot.

macOS

  1. Plug your iPhone 16 in to your Mac.
  2. Navigate to your iPhone 16 in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone17,3_18.3.1_22D72_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 16 to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 16 in to your PC.
  3. Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
  4. To perform a full erase restore, type idevicerestore -e iPhone17,3_18.3.1_22D72_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 16 to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone17,3_18.3.1_22D72_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 08a6a863f5b87d52290abd34c9215a6422027534. If it doesn't, you may need to redownload the file.

macOS

  1. Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
  2. Type openssl sha1 iPhone17,3_18.3.1_22D72_Restore.ipsw
  3. The output of the command should match the following checksum: 08a6a863f5b87d52290abd34c9215a6422027534. If it doesn't, you may need to redownload the file.

Linux

  1. Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
  2. Type openssl sha1 iPhone17,3_18.3.1_22D72_Restore.ipsw
  3. The output of the command should match the following checksum: 08a6a863f5b87d52290abd34c9215a6422027534. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum530a81c04a2cceeb65789ce2667d6b4f4c8b472c36efd5a6aee6b844b9756938
MD5sum530a81c04a2cceeb65789ce2667d6b4f4c8b472c36efd5a6aee6b844b9756938
SHA1sum08a6a863f5b87d52290abd34c9215a6422027534
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

This update provides important bug fixes and security updates and is recommended for all users.

For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/100100

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