IPSW Downloads

iOS 26.4 - 23E246 for iPhone 15

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

Release Date24 March 2026
Upload Date21 March 2026
File NameiPhone15,4_26.4_23E246_Restore.ipsw
File Size9.64 GB
SHA256sumc1ce60947cf850ab7e31fb53ef1e70941ad0390af143344ffb25db74ffade497
MD5sumf60926431251510bc4df0ca5404db702
SHA1sum3d086eb182677066be3f96b4dac166faed83bc2f
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_23E246_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_23E246_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_23E246_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 15 to reboot.