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iPhone 13 Pro Max

iOS 15.1.1 (19B81) for iPhone 13 Pro Max

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

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Download (6.63 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 13 Pro Max in to your PC.
  3. Open iTunes, and navigate to your iPhone 13 Pro Max.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone14,3_15.1.1_19B81_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 13 Pro Max to reboot.

macOS

  1. Plug your iPhone 13 Pro Max in to your Mac.
  2. Navigate to your iPhone 13 Pro Max in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone14,3_15.1.1_19B81_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 13 Pro Max to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 13 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 iPhone14,3_15.1.1_19B81_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 13 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 iPhone14,3_15.1.1_19B81_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 5bf17f08de4319ca73a70a0a24fb07452665ec72. 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 iPhone14,3_15.1.1_19B81_Restore.ipsw
  3. The output of the command should match the following checksum: 5bf17f08de4319ca73a70a0a24fb07452665ec72. 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 iPhone14,3_15.1.1_19B81_Restore.ipsw
  3. The output of the command should match the following checksum: 5bf17f08de4319ca73a70a0a24fb07452665ec72. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum 7a43071c6bfdfb2d8ab411774fde5b25bc552ae41225f46b952700eef01a5780
MD5sum 339982b9e41a3fb22c7c9d00ddc4d7bb
SHA1sum 5bf17f08de4319ca73a70a0a24fb07452665ec72
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 15.1.1 improves call drop performance on iPhone 12 and iPhone 13 models.

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