iOS 26.3.1 (23D8133) for iPhone 15 Pro

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iPhone 15 Pro

✗ 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 (10 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 in to your PC.
  3. Open Apple Devices, and navigate to your iPhone 15 Pro.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone16,1_26.3.1_23D8133_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 15 Pro to reboot.

macOS

  1. Plug your iPhone 15 Pro in to your Mac.
  2. Navigate to your iPhone 15 Pro in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone16,1_26.3.1_23D8133_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 15 Pro to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 15 Pro 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 iPhone16,1_26.3.1_23D8133_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 15 Pro to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone16,1_26.3.1_23D8133_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 61a0995daf7f3d6e69335f1421e337b7ed00662f. 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 iPhone16,1_26.3.1_23D8133_Restore.ipsw
  3. The output of the command should match the following checksum: 61a0995daf7f3d6e69335f1421e337b7ed00662f. 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 iPhone16,1_26.3.1_23D8133_Restore.ipsw
  3. The output of the command should match the following checksum: 61a0995daf7f3d6e69335f1421e337b7ed00662f. If it doesn't, you may need to redownload the file.

Checksums

SHA256sumf381332b62a5a48cce8971a423cb16f6b8a34dd0c96a344c29c89538fdfcdf97
MD5sumf381332b62a5a48cce8971a423cb16f6b8a34dd0c96a344c29c89538fdfcdf97
SHA1sum61a0995daf7f3d6e69335f1421e337b7ed00662f
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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