iOS 17.5 (21F79) for iPhone 12

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iPhone 12

✗ 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 12 in to your PC.
  3. Open Apple Devices, and navigate to your iPhone 12.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone13,2,iPhone13,3_17.5_21F79_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 12 to reboot.

macOS

  1. Plug your iPhone 12 in to your Mac.
  2. Navigate to your iPhone 12 in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone13,2,iPhone13,3_17.5_21F79_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 12 to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 12 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_21F79_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 12 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_21F79_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 670ff4c941149ee21dd9e4c597b278acc6b1d50f. 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_21F79_Restore.ipsw
  3. The output of the command should match the following checksum: 670ff4c941149ee21dd9e4c597b278acc6b1d50f. 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_21F79_Restore.ipsw
  3. The output of the command should match the following checksum: 670ff4c941149ee21dd9e4c597b278acc6b1d50f. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum83900000d72efe3416e749d8584d5cb8ed20308435c46b1a2a7c73aa4bfc84b7
MD5sum83900000d72efe3416e749d8584d5cb8ed20308435c46b1a2a7c73aa4bfc84b7
SHA1sum670ff4c941149ee21dd9e4c597b278acc6b1d50f
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

Apple News

  • Offline mode in Apple News+ gives you access to the Today feed and News+ tab, even when you don’t have an internet connection

  • Quartiles is a new and original daily word game that is now available in Apple News+

  • Scoreboard in News+ Puzzles gives you access to new player data for Crossword, Mini Crossword and Quartiles, including stats and streaks

Tracking Notifications

  • Cross-Platform Tracking Detection delivers notifications to users if a compatible Bluetooth tracker they do not own is moving with them, regardless of what operating system the device is paired with

Some features may not be available for all regions or on all Apple devices. For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/kb/HT201222

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