IPSW Downloads

iOS 17.4.1 - 21E236 for iPhone 15

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

Release Date21 March 2024
Upload Date17 March 2024
File NameiPhone15,4_17.4.1_21E236_Restore.ipsw
File Size7.48 GB
SHA256sum17224aed4008a4d4b0467f16861ac3db9ab1b94d10c408960b5f5501511d5efd
MD5sume254049f23a796a4fd4ebccb0878f621
SHA1sum232a1278ec1098fdd0a3820bfd77372338d08a18
IdentifieriPhone15,4

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 15 to your PC.
  3. Open iTunes and navigate to your iPhone 15.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone15,4_17.4.1_21E236_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 15 to reboot.

macOS

  1. Connect your iPhone 15 to your Mac.
  2. Navigate to your iPhone 15 in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone15,4_17.4.1_21E236_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 15 to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 15 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 iPhone15,4_17.4.1_21E236_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 15 to reboot.