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iPhone 15

iOS 18.3.1 (22D72) for iPhone 15

✗ This firmware is not signed. This means you cannot restore to it in iTunes.

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

Download (8.92 GB)

✗ This firmware is not signed. This means you cannot restore to it in iTunes. The instructions below are included for reference only.

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Plug your iPhone 15 in to your PC.
  3. Open iTunes, and navigate to your iPhone 15.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone15,4_18.3.1_22D72_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 15 to reboot.

macOS

  1. Plug your iPhone 15 in to your Mac.
  2. Navigate to your iPhone 15 in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone15,4_18.3.1_22D72_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 15 to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 15 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 iPhone15,4_18.3.1_22D72_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 15 to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone15,4_18.3.1_22D72_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 387fa8b52e811e7ca77ab3ca0c73aa5fc1a98caa. 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 iPhone15,4_18.3.1_22D72_Restore.ipsw
  3. The output of the command should match the following checksum: 387fa8b52e811e7ca77ab3ca0c73aa5fc1a98caa. 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 iPhone15,4_18.3.1_22D72_Restore.ipsw
  3. The output of the command should match the following checksum: 387fa8b52e811e7ca77ab3ca0c73aa5fc1a98caa. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum efea57a547e0377dd7bf0071a47339887ea996916c28a5b0795758c6cf2d649b
MD5sum 3ad64302ebeb3dac92c70d5e73eae14a
SHA1sum 387fa8b52e811e7ca77ab3ca0c73aa5fc1a98caa
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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