IPSW Downloads

iOS 17.4.1 - 21E237 for iPhone 11 Pro Max

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

Release Date27 March 2024
Upload Date24 March 2024
File NameiPhone12,3,iPhone12,5_17.4.1_21E237_Restore.ipsw
File Size7.00 GB
SHA256sumc96337f870f88768683b2fdff04da6b01f1f734578b1af8b63695c44e8013835
MD5sum8fb07e5bb8ade60041419f3336569140
SHA1sum99fd773aa644d871be35afe8fa966e3dade5e8d9
IdentifieriPhone12,5

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 11 Pro Max to your PC.
  3. Open iTunes and navigate to your iPhone 11 Pro Max.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone12,3,iPhone12,5_17.4.1_21E237_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 11 Pro Max to reboot.

macOS

  1. Connect your iPhone 11 Pro Max to your Mac.
  2. Navigate to your iPhone 11 Pro Max in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone12,3,iPhone12,5_17.4.1_21E237_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 11 Pro Max to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 11 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 iPhone12,3,iPhone12,5_17.4.1_21E237_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 11 Pro Max to reboot.