IPSW Downloads

iOS 26.4.2 - 23E261 for iPhone17,4

This firmware is signed. This means that you can restore to it in iTunes.

Release Date22 April 2026
Upload Date19 April 2026
File NameiPhone17,4_26.4.2_23E261_Restore.ipsw
File Size10.27 GB
SHA256sum60273a903c089347e81c1eb2f5a1c984f588907721b8e21101546bde5f903fc2
MD5sum2aff974614170e3664d92c9819c2f39e
SHA1sumeb56022202d98dfc2ffdf77b7d73d30923183047
IdentifieriPhone17,4

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone17,4 to your PC.
  3. Open iTunes and navigate to your iPhone17,4.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone17,4_26.4.2_23E261_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone17,4 to reboot.

macOS

  1. Connect your iPhone17,4 to your Mac.
  2. Navigate to your iPhone17,4 in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone17,4_26.4.2_23E261_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone17,4 to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone17,4 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 iPhone17,4_26.4.2_23E261_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone17,4 to reboot.