iOS 17.3.1 (21D61) for iPhone 15 Pro Max

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iPhone 15 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 (7.6 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 15 Pro Max in to your PC.
  3. Open Apple Devices, and navigate to your iPhone 15 Pro Max.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone16,2_17.3.1_21D61_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_17.3.1_21D61_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_17.3.1_21D61_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_17.3.1_21D61_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 5204c6d60e24f97ee4dab9dcbe06a935ac04a294. 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_17.3.1_21D61_Restore.ipsw
  3. The output of the command should match the following checksum: 5204c6d60e24f97ee4dab9dcbe06a935ac04a294. 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_17.3.1_21D61_Restore.ipsw
  3. The output of the command should match the following checksum: 5204c6d60e24f97ee4dab9dcbe06a935ac04a294. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum696bb586dfe81b91b8690062826c8e8b2626074de1fb182e6e883550a2eb9fea
MD5sum696bb586dfe81b91b8690062826c8e8b2626074de1fb182e6e883550a2eb9fea
SHA1sum5204c6d60e24f97ee4dab9dcbe06a935ac04a294
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

This update provides bug fixes for your iPhone including:

  • Text may unexpectedly duplicate or overlap while typing

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