IPSW Downloads

iOS 17.3.1 - 21D61 for iPhone 15 Pro Max

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

Release Date08 February 2024
Upload Date05 February 2024
File NameiPhone16,2_17.3.1_21D61_Restore.ipsw
File Size7.58 GB
SHA256sum696bb586dfe81b91b8690062826c8e8b2626074de1fb182e6e883550a2eb9fea
MD5sum849f23ae7b63600a2959e1ecd0b15911
SHA1sum5204c6d60e24f97ee4dab9dcbe06a935ac04a294
IdentifieriPhone16,2

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 15 Pro Max to your PC.
  3. Open iTunes and navigate to your iPhone 15 Pro Max.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone16,2_17.3.1_21D61_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 15 Pro Max to reboot.

macOS

  1. Connect your iPhone 15 Pro Max to your Mac.
  2. Navigate to your iPhone 15 Pro Max in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone16,2_17.3.1_21D61_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 15 Pro Max to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 15 Pro Max 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 iPhone16,2_17.3.1_21D61_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 15 Pro Max to reboot.