iOS 26.3.1 (23D8133) for iPhone 12 Pro Max

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iPhone 12 Pro Max

✓ This firmware is signed. This means that you can 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 (9.4 GiB)

Windows

  1. Install the latest version of Apple Devices from the Microsoft Store.
  2. Plug your iPhone 12 Pro Max in to your PC.
  3. Open Apple Devices, and navigate to your iPhone 12 Pro Max.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone13,4_26.3.1_23D8133_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 12 Pro Max to reboot.

macOS

  1. Plug your iPhone 12 Pro Max in to your Mac.
  2. Navigate to your iPhone 12 Pro Max in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone13,4_26.3.1_23D8133_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 12 Pro Max to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 12 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 iPhone13,4_26.3.1_23D8133_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 12 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 iPhone13,4_26.3.1_23D8133_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 367da7f0788225d281b013f8fc7532fe1b76a61f. 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 iPhone13,4_26.3.1_23D8133_Restore.ipsw
  3. The output of the command should match the following checksum: 367da7f0788225d281b013f8fc7532fe1b76a61f. 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 iPhone13,4_26.3.1_23D8133_Restore.ipsw
  3. The output of the command should match the following checksum: 367da7f0788225d281b013f8fc7532fe1b76a61f. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum9ef98520b9870c4101eb74eaf6d75072e3bf001b313f931b2d42d79a65b6499b
MD5sum9ef98520b9870c4101eb74eaf6d75072e3bf001b313f931b2d42d79a65b6499b
SHA1sum367da7f0788225d281b013f8fc7532fe1b76a61f
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

For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/100100

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