IPSW Downloads

iOS 26.3.1 - 23D8133 for iPhone 15 Pro

This firmware is signed. This means that you can restore to it in iTunes.

Release Date04 March 2026
Upload Date01 March 2026
File NameiPhone16,1_26.3.1_23D8133_Restore.ipsw
File Size10.09 GB
SHA256sumf381332b62a5a48cce8971a423cb16f6b8a34dd0c96a344c29c89538fdfcdf97
MD5sum8e1f757c525e65d85fd7776dccef2f1c
SHA1sum61a0995daf7f3d6e69335f1421e337b7ed00662f
IdentifieriPhone16,1

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 15 Pro to your PC.
  3. Open iTunes and navigate to your iPhone 15 Pro.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone16,1_26.3.1_23D8133_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 15 Pro to reboot.

macOS

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

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 15 Pro to your PC.
  3. Open a terminal and navigate to the IPSW file 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 for your iPhone 15 Pro to reboot.