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iPhone 15 Pro Max

iOS 17.1.1 (21B91) for iPhone 15 Pro Max

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

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Download (8.21 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_17.1.1_21B91_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_17.1.1_21B91_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_17.1.1_21B91_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_17.1.1_21B91_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 8b7790adc1fc3eb757da247b3cf174fc76bfdd32. 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_17.1.1_21B91_Restore.ipsw
  3. The output of the command should match the following checksum: 8b7790adc1fc3eb757da247b3cf174fc76bfdd32. 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_17.1.1_21B91_Restore.ipsw
  3. The output of the command should match the following checksum: 8b7790adc1fc3eb757da247b3cf174fc76bfdd32. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum a60eca60851878cc13a7f01849ee4a634ed8b06a94a52fdbaccfdd1c7c615ff6
MD5sum fbb458a16a9dff4295fb86419dd534c8
SHA1sum 8b7790adc1fc3eb757da247b3cf174fc76bfdd32
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:

  • In rare circumstances, Apple Pay and other NFC features may become unavailable on iPhone 15 models after wireless charging in certain cars

  • Weather Lock Screen widget may not correctly display snow

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