iOS 17.5.1 (21F90) for iPhone 12 Pro

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iPhone 12 Pro

✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.

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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 12 Pro in to your PC.
  3. Open Apple Devices, and navigate to your iPhone 12 Pro.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone13,2,iPhone13,3_17.5.1_21F90_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 12 Pro to reboot.

macOS

  1. Plug your iPhone 12 Pro in to your Mac.
  2. Navigate to your iPhone 12 Pro in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone13,2,iPhone13,3_17.5.1_21F90_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 12 Pro to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 12 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 iPhone13,2,iPhone13,3_17.5.1_21F90_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 12 Pro to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone13,2,iPhone13,3_17.5.1_21F90_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 56e3502b2bd0cc9daa46c39788f6b38201d14cca. 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 iPhone13,2,iPhone13,3_17.5.1_21F90_Restore.ipsw
  3. The output of the command should match the following checksum: 56e3502b2bd0cc9daa46c39788f6b38201d14cca. 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 iPhone13,2,iPhone13,3_17.5.1_21F90_Restore.ipsw
  3. The output of the command should match the following checksum: 56e3502b2bd0cc9daa46c39788f6b38201d14cca. If it doesn't, you may need to redownload the file.

Checksums

SHA256sumc7cc6e2f04b98320810a1b680481778402d63829691bac20915cb952cc300a1d
MD5sumc7cc6e2f04b98320810a1b680481778402d63829691bac20915cb952cc300a1d
SHA1sum56e3502b2bd0cc9daa46c39788f6b38201d14cca
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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