iOS 17.4.1 (21E237) for iPhone 11 Pro

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iPhone 11 Pro

✗ 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 (7.0 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 in to your PC.
  3. Open Apple Devices, and navigate to your iPhone 11 Pro.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone12,3,iPhone12,5_17.4.1_21E237_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 11 Pro to reboot.

macOS

  1. Plug your iPhone 11 Pro in to your Mac.
  2. Navigate to your iPhone 11 Pro in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone12,3,iPhone12,5_17.4.1_21E237_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 11 Pro to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 11 Pro 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_17.4.1_21E237_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 11 Pro 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_17.4.1_21E237_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 99fd773aa644d871be35afe8fa966e3dade5e8d9. 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_17.4.1_21E237_Restore.ipsw
  3. The output of the command should match the following checksum: 99fd773aa644d871be35afe8fa966e3dade5e8d9. 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_17.4.1_21E237_Restore.ipsw
  3. The output of the command should match the following checksum: 99fd773aa644d871be35afe8fa966e3dade5e8d9. If it doesn't, you may need to redownload the file.

Checksums

SHA256sumc96337f870f88768683b2fdff04da6b01f1f734578b1af8b63695c44e8013835
MD5sumc96337f870f88768683b2fdff04da6b01f1f734578b1af8b63695c44e8013835
SHA1sum99fd773aa644d871be35afe8fa966e3dade5e8d9
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/kb/HT201222

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