iOS 17.6 (21G80) for iPhone 12 Pro Max

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iPhone 12 Pro Max

✗ 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 (7.4 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 Max in to your PC.
  3. Open Apple Devices, and navigate to your iPhone 12 Pro Max.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone13,4_17.6_21G80_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 12 Pro Max to reboot.

macOS

  1. Plug your iPhone 12 Pro Max in to your Mac.
  2. Navigate to your iPhone 12 Pro Max in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone13,4_17.6_21G80_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 12 Pro Max to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 12 Pro Max 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 iPhone13,4_17.6_21G80_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 12 Pro Max to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone13,4_17.6_21G80_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: cf5b14d12a27ed30b804a99f5c0d4d64b350dfe1. 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 iPhone13,4_17.6_21G80_Restore.ipsw
  3. The output of the command should match the following checksum: cf5b14d12a27ed30b804a99f5c0d4d64b350dfe1. 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 iPhone13,4_17.6_21G80_Restore.ipsw
  3. The output of the command should match the following checksum: cf5b14d12a27ed30b804a99f5c0d4d64b350dfe1. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum311387816a7fc06061a17a5b2de6bad3e96066b9899a54362cae130fd62e9e84
MD5sum311387816a7fc06061a17a5b2de6bad3e96066b9899a54362cae130fd62e9e84
SHA1sumcf5b14d12a27ed30b804a99f5c0d4d64b350dfe1
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 security updates and is recommended for all users.

For information on the security content of Apple software updates, please visit this website:

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

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