IPSW Downloads

iOS 17.4 - 21E219 for iPhone 15

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

Release Date05 March 2024
Upload Date28 February 2024
File NameiPhone15,4_17.4_21E219_Restore.ipsw
File Size7.48 GB
SHA256sum53ce6307c6f280b792375e1d541df13f7ff336bb13398c922775959cf88d4f13
MD5sumbd2d8d3f6dd8591c64cd5e318fd9bc3f
SHA1sumab180a061b571fe45077d25f259e3949193b55c5
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_21E219_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_21E219_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_21E219_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 15 to reboot.