iOS 26.3 (23D127) for iPhone Air

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iPhone Air

✗ 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 (10 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 Air in to your PC.
  3. Open Apple Devices, and navigate to your iPhone Air.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone18,4_26.3_23D127_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone Air to reboot.

macOS

  1. Plug your iPhone Air in to your Mac.
  2. Navigate to your iPhone Air in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone18,4_26.3_23D127_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone Air to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone Air 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 iPhone18,4_26.3_23D127_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone Air to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone18,4_26.3_23D127_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: c6a4517fcf1ef94875e550b06f41c1e561decd96. 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 iPhone18,4_26.3_23D127_Restore.ipsw
  3. The output of the command should match the following checksum: c6a4517fcf1ef94875e550b06f41c1e561decd96. 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 iPhone18,4_26.3_23D127_Restore.ipsw
  3. The output of the command should match the following checksum: c6a4517fcf1ef94875e550b06f41c1e561decd96. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum242008819c16a5cfc51628eed0c686fa6f3d035357502ec45dd35d80f98c73e1
MD5sum242008819c16a5cfc51628eed0c686fa6f3d035357502ec45dd35d80f98c73e1
SHA1sumc6a4517fcf1ef94875e550b06f41c1e561decd96
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.

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

https://support.apple.com/100100

Some features may not be available for all regions. For more information, please visit:

https://www.apple.com/os/ios

Software updates, like this one, add new features and improvements that may affect performance and/or battery life. To learn more, please visit:

https://support.apple.com/125039

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