IPSW Downloads

iOS 17.1 - 21B74 for iPhone 13 Pro Max

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

Release Date25 October 2023
Upload Date15 October 2023
File NameiPhone14,3_17.1_21B74_Restore.ipsw
File Size7.35 GB
SHA256sum34667d46bc22538ea77edf6eb74371fbb20c68c16a1985c115410c2f6a43f292
MD5sume9f4264b218ec51a9a2b50661b721e18
SHA1sum30afdb27f5d02f62d3e554d5912e316962154e29
IdentifieriPhone14,3

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 13 Pro Max to your PC.
  3. Open iTunes and navigate to your iPhone 13 Pro Max.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone14,3_17.1_21B74_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 13 Pro Max to reboot.

macOS

  1. Connect your iPhone 13 Pro Max to your Mac.
  2. Navigate to your iPhone 13 Pro Max in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone14,3_17.1_21B74_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 13 Pro Max to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 13 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 iPhone14,3_17.1_21B74_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 13 Pro Max to reboot.