iOS 18.6.1 (22G90) for iPhone 16 Pro Max

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iPhone 16 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 (9.2 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 16 Pro Max in to your PC.
  3. Open Apple Devices, and navigate to your iPhone 16 Pro Max.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone17,2_18.6.1_22G90_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 16 Pro Max to reboot.

macOS

  1. Plug your iPhone 16 Pro Max in to your Mac.
  2. Navigate to your iPhone 16 Pro Max in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone17,2_18.6.1_22G90_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 16 Pro Max to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 16 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 iPhone17,2_18.6.1_22G90_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 16 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 iPhone17,2_18.6.1_22G90_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: f7477b45a736f6100b5a7ce972cee4078e95d121. 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 iPhone17,2_18.6.1_22G90_Restore.ipsw
  3. The output of the command should match the following checksum: f7477b45a736f6100b5a7ce972cee4078e95d121. 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 iPhone17,2_18.6.1_22G90_Restore.ipsw
  3. The output of the command should match the following checksum: f7477b45a736f6100b5a7ce972cee4078e95d121. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum0ced0daf40cf0a56350ebc2a464b97fac73d9d713ee66d478c5f36db2013d27b
MD5sum0ced0daf40cf0a56350ebc2a464b97fac73d9d713ee66d478c5f36db2013d27b
SHA1sumf7477b45a736f6100b5a7ce972cee4078e95d121
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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