IPSW Downloads

iOS 17.3.1 - 21D61 for iPhone 15 Pro

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

Release Date08 February 2024
Upload Date05 February 2024
File NameiPhone16,1_17.3.1_21D61_Restore.ipsw
File Size7.57 GB
SHA256sum5b4020427f1999e2712966af550bb140e6f1a6368d3ef3d4b165f52d35904231
MD5sum959f093346a32d48e7d5716462fb22c8
SHA1sum2f7ba9e61ad11214988b405c21f9ef211315d463
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_17.3.1_21D61_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_17.3.1_21D61_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_17.3.1_21D61_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 15 Pro to reboot.