iOS 26.3 (23D127) for iPhone 11 Pro Max

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iPhone 11 Pro Max

✗ 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 (9.1 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 11 Pro Max in to your PC.
  3. Open Apple Devices, and navigate to your iPhone 11 Pro Max.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone12,3,iPhone12,5_26.3_23D127_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 11 Pro Max to reboot.

macOS

  1. Plug your iPhone 11 Pro Max in to your Mac.
  2. Navigate to your iPhone 11 Pro Max in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone12,3,iPhone12,5_26.3_23D127_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 11 Pro Max to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 11 Pro Max 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 iPhone12,3,iPhone12,5_26.3_23D127_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 11 Pro Max to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone12,3,iPhone12,5_26.3_23D127_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 0f6efceef0b92c40f0396c4227869b086ad3b367. 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 iPhone12,3,iPhone12,5_26.3_23D127_Restore.ipsw
  3. The output of the command should match the following checksum: 0f6efceef0b92c40f0396c4227869b086ad3b367. 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 iPhone12,3,iPhone12,5_26.3_23D127_Restore.ipsw
  3. The output of the command should match the following checksum: 0f6efceef0b92c40f0396c4227869b086ad3b367. If it doesn't, you may need to redownload the file.

Checksums

SHA256suma575a9d9e818d6e14776da7deedbdf3c93e4ca933ef664fdfd33882add854446
MD5suma575a9d9e818d6e14776da7deedbdf3c93e4ca933ef664fdfd33882add854446
SHA1sum0f6efceef0b92c40f0396c4227869b086ad3b367
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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