iOS 18.6.1 (22G90) 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.

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Download (8.5 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 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_18.6.1_22G90_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_18.6.1_22G90_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_18.6.1_22G90_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_18.6.1_22G90_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 743d1e7aa4d82bd59299833dcac98749d8a21cdf. 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_18.6.1_22G90_Restore.ipsw
  3. The output of the command should match the following checksum: 743d1e7aa4d82bd59299833dcac98749d8a21cdf. 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_18.6.1_22G90_Restore.ipsw
  3. The output of the command should match the following checksum: 743d1e7aa4d82bd59299833dcac98749d8a21cdf. If it doesn't, you may need to redownload the file.

Checksums

SHA256sumb29bef63c78f2c75afd8bfd6d86f7f384230aad1ccc949ab6087ff209d493a94
MD5sumb29bef63c78f2c75afd8bfd6d86f7f384230aad1ccc949ab6087ff209d493a94
SHA1sum743d1e7aa4d82bd59299833dcac98749d8a21cdf
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

This update provides a new Blood Oxygen experience for users in the United States with Apple Watch Series 9 and Series 10, and Apple Watch Ultra 2. Measurements are calculated on iPhone and viewed in the Health app.

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

https://support.apple.com/100100

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