IPSW Downloads

iOS 26.4.2 - 23E261 for iPhone 15

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

Release Date22 April 2026
Upload Date19 April 2026
File NameiPhone15,4_26.4.2_23E261_Restore.ipsw
File Size9.64 GB
SHA256sumb95c31988781fc742236aadcb620677ba9975b848c95112f9dd5d95a1c04a20b
MD5sumcb8e7b503104ad8fd4ea428f65807550
SHA1sum884e77dcd89aa70ed71f81f6221118f52348485b
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_26.4.2_23E261_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_26.4.2_23E261_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_26.4.2_23E261_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 15 to reboot.