iOS 26.6 (23G71) for iPhone 17

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4 Download
iPhone 17

✓ This firmware is signed. This means that you can 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 (11 GiB)

Windows

  1. Install the latest version of Apple Devices from the Microsoft Store.
  2. Plug your iPhone 17 in to your PC.
  3. Open Apple Devices, and navigate to your iPhone 17.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone18,3_26.6_23G71_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 17 to reboot.

macOS

  1. Plug your iPhone 17 in to your Mac.
  2. Navigate to your iPhone 17 in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone18,3_26.6_23G71_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 17 to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 17 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 iPhone18,3_26.6_23G71_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 17 to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone18,3_26.6_23G71_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 422ee02881cb8a1e455d05242155117b5f6d2782. 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 iPhone18,3_26.6_23G71_Restore.ipsw
  3. The output of the command should match the following checksum: 422ee02881cb8a1e455d05242155117b5f6d2782. 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 iPhone18,3_26.6_23G71_Restore.ipsw
  3. The output of the command should match the following checksum: 422ee02881cb8a1e455d05242155117b5f6d2782. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum71dc9430392c577ad29e1a8c0bc7a5ed237392157a40aed1e908457d55056fa3
MD5suma6a621229d3638182a610189354099fe
SHA1sum422ee02881cb8a1e455d05242155117b5f6d2782
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

This update includes bug fixes, security updates and optimizes the Spotlight index to prepare for iOS 27.

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

https://support.apple.com/100100

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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