iPadOS 17.5.1 (21F90) for iPad Pro 2 (12.9-inch, Cellular)

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iPad Pro 2 (12.9-inch, Cellular)

✗ 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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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 iPad Pro 2 (12.9-inch, Cellular) in to your PC.
  3. Open Apple Devices, and navigate to your iPad Pro 2 (12.9-inch, Cellular).
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPad_Pro_HFR_17.5.1_21F90_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPad Pro 2 (12.9-inch, Cellular) to reboot.

macOS

  1. Plug your iPad Pro 2 (12.9-inch, Cellular) in to your Mac.
  2. Navigate to your iPad Pro 2 (12.9-inch, Cellular) in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPad_Pro_HFR_17.5.1_21F90_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPad Pro 2 (12.9-inch, Cellular) to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPad Pro 2 (12.9-inch, Cellular) 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 iPad_Pro_HFR_17.5.1_21F90_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPad Pro 2 (12.9-inch, Cellular) to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPad_Pro_HFR_17.5.1_21F90_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: c86cce75ec58d421b58ff3ce912ec1adbbfc76cd. 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 iPad_Pro_HFR_17.5.1_21F90_Restore.ipsw
  3. The output of the command should match the following checksum: c86cce75ec58d421b58ff3ce912ec1adbbfc76cd. 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 iPad_Pro_HFR_17.5.1_21F90_Restore.ipsw
  3. The output of the command should match the following checksum: c86cce75ec58d421b58ff3ce912ec1adbbfc76cd. If it doesn't, you may need to redownload the file.

Checksums

SHA256sumd23b901f4193c06c018a844663915fd7f555dbbc51aa006b188848bba76ed1ca
MD5sumd23b901f4193c06c018a844663915fd7f555dbbc51aa006b188848bba76ed1ca
SHA1sumc86cce75ec58d421b58ff3ce912ec1adbbfc76cd
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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