iPadOS 17.5.1 (21F90) for iPad (WiFi, 9th generation)

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iPad (WiFi, 9th generation)

✗ 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 (WiFi, 9th generation) in to your PC.
  3. Open Apple Devices, and navigate to your iPad (WiFi, 9th generation).
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPad_10.2_2021_17.5.1_21F90_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPad (WiFi, 9th generation) to reboot.

macOS

  1. Plug your iPad (WiFi, 9th generation) in to your Mac.
  2. Navigate to your iPad (WiFi, 9th generation) in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPad_10.2_2021_17.5.1_21F90_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPad (WiFi, 9th generation) to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPad (WiFi, 9th generation) 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_10.2_2021_17.5.1_21F90_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPad (WiFi, 9th generation) to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPad_10.2_2021_17.5.1_21F90_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 494bc8fedf3b7ae05ea2e6a066e9a12ea87c28a8. 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_10.2_2021_17.5.1_21F90_Restore.ipsw
  3. The output of the command should match the following checksum: 494bc8fedf3b7ae05ea2e6a066e9a12ea87c28a8. 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_10.2_2021_17.5.1_21F90_Restore.ipsw
  3. The output of the command should match the following checksum: 494bc8fedf3b7ae05ea2e6a066e9a12ea87c28a8. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum040329805cbac420b241d4451555fa9a176f7f6e3c23f00348a5a0c033b28d3c
MD5sum040329805cbac420b241d4451555fa9a176f7f6e3c23f00348a5a0c033b28d3c
SHA1sum494bc8fedf3b7ae05ea2e6a066e9a12ea87c28a8
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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