iOS 17.5.1 (21F90) for iPhone SE (3rd generation)

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

macOS

  1. Plug your iPhone SE (3rd generation) in to your Mac.
  2. Navigate to your iPhone SE (3rd generation) in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone14,6_17.5.1_21F90_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone SE (3rd generation) to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone SE (3rd 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 iPhone14,6_17.5.1_21F90_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone SE (3rd generation) to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone14,6_17.5.1_21F90_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 97707d2ee2945fa6ab7f4896ccdb418fdcdcce74. 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 iPhone14,6_17.5.1_21F90_Restore.ipsw
  3. The output of the command should match the following checksum: 97707d2ee2945fa6ab7f4896ccdb418fdcdcce74. 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 iPhone14,6_17.5.1_21F90_Restore.ipsw
  3. The output of the command should match the following checksum: 97707d2ee2945fa6ab7f4896ccdb418fdcdcce74. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum7ed003aa0d217fd16ee33dbc001e9c4cfb8ebb996e5d3f2ae25d3e4226cf65d4
MD5sum7ed003aa0d217fd16ee33dbc001e9c4cfb8ebb996e5d3f2ae25d3e4226cf65d4
SHA1sum97707d2ee2945fa6ab7f4896ccdb418fdcdcce74
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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