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iPhone 15 Pro Max

iOS 17.4.1 (21E236) for iPhone 15 Pro Max

✗ This firmware is not signed. This means you cannot restore to it in iTunes.

Your download should begin shortly. If it does not, you can download it directly here:

Download (8.22 GB)

✗ This firmware is not signed. This means you cannot restore to it in iTunes. The instructions below are included for reference only.

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Plug your iPhone 15 Pro Max in to your PC.
  3. Open iTunes, and navigate to your iPhone 15 Pro Max.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone16,2_17.4.1_21E236_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 15 Pro Max to reboot.

macOS

  1. Plug your iPhone 15 Pro Max in to your Mac.
  2. Navigate to your iPhone 15 Pro Max in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone16,2_17.4.1_21E236_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 15 Pro Max to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 15 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 iPhone16,2_17.4.1_21E236_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 15 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 iPhone16,2_17.4.1_21E236_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: cb2a960d44d4eaf6ce4065e52f12813d8360126b. 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 iPhone16,2_17.4.1_21E236_Restore.ipsw
  3. The output of the command should match the following checksum: cb2a960d44d4eaf6ce4065e52f12813d8360126b. 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 iPhone16,2_17.4.1_21E236_Restore.ipsw
  3. The output of the command should match the following checksum: cb2a960d44d4eaf6ce4065e52f12813d8360126b. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum a350269fba42d7c0805b8b797812613f0e8b6c80fda6ca9bc10eb5f4cbbaa599
MD5sum 53474f235dc698dfef8dc269cd5cb5ad
SHA1sum cb2a960d44d4eaf6ce4065e52f12813d8360126b
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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