IPSW Downloads

iOS 26.4.2 - 23E261 for iPhone17,1

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

Release Date22 April 2026
Upload Date19 April 2026
File NameiPhone17,1_26.4.2_23E261_Restore.ipsw
File Size10.40 GB
SHA256sum4787e97cf810205e6b823d5569084e015995b51f7656d8f200265649e8dd144c
MD5sume8de9cee0ab62f50f7b4a288d50090e5
SHA1sum31a2af547348f58b625cdcf0e652949d311223da
IdentifieriPhone17,1

Installation Instructions

Windows

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

macOS

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

Linux

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