iOS 17.5.1 (21F90) for iPhone 13 Pro Max

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iPhone 13 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 (7.5 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 13 Pro Max in to your PC.
  3. Open Apple Devices, and navigate to your iPhone 13 Pro Max.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone14,3_17.5.1_21F90_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 13 Pro Max to reboot.

macOS

  1. Plug your iPhone 13 Pro Max in to your Mac.
  2. Navigate to your iPhone 13 Pro Max in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone14,3_17.5.1_21F90_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 13 Pro Max to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 13 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 iPhone14,3_17.5.1_21F90_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 13 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 iPhone14,3_17.5.1_21F90_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 19a678c7d65ce0f2f3440d12fa0adfe99d2be9ba. 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 iPhone14,3_17.5.1_21F90_Restore.ipsw
  3. The output of the command should match the following checksum: 19a678c7d65ce0f2f3440d12fa0adfe99d2be9ba. 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 iPhone14,3_17.5.1_21F90_Restore.ipsw
  3. The output of the command should match the following checksum: 19a678c7d65ce0f2f3440d12fa0adfe99d2be9ba. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum2b721ca9a419ebc03f81fddc4a630a9d7263c06db9dd98891c4e6f9d5ea47a4a
MD5sum2b721ca9a419ebc03f81fddc4a630a9d7263c06db9dd98891c4e6f9d5ea47a4a
SHA1sum19a678c7d65ce0f2f3440d12fa0adfe99d2be9ba
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 addresses a rare issue where photos that experienced database corruption could reappear in the Photos library even if they were deleted.

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