iOS 26.5 (23F77) for iPhone 17 Pro Max

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iPhone 17 Pro Max

✓ 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 (10 GiB)

Windows

  1. Install the latest version of Apple Devices from the Microsoft Store.
  2. Plug your iPhone 17 Pro Max in to your PC.
  3. Open Apple Devices, and navigate to your iPhone 17 Pro Max.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone18,2_26.5_23F77_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 17 Pro Max to reboot.

macOS

  1. Plug your iPhone 17 Pro Max in to your Mac.
  2. Navigate to your iPhone 17 Pro Max in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone18,2_26.5_23F77_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 17 Pro Max to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 17 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 iPhone18,2_26.5_23F77_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 17 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 iPhone18,2_26.5_23F77_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: ea521366deb63a7b3b21734da87dc6236675042f. 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 iPhone18,2_26.5_23F77_Restore.ipsw
  3. The output of the command should match the following checksum: ea521366deb63a7b3b21734da87dc6236675042f. 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 iPhone18,2_26.5_23F77_Restore.ipsw
  3. The output of the command should match the following checksum: ea521366deb63a7b3b21734da87dc6236675042f. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum2b4064f0ccde9935927532fe293d7d6702e96342968aee2531fcc4c42b03685b
MD5sum078ca8e7e34e731593ffb6c54ac53838
SHA1sumea521366deb63a7b3b21734da87dc6236675042f
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

This update provides bug fixes and security updates for your iPhone.

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

https://support.apple.com/100100

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