IPSW Downloads

iOS 26.5 - 23F77 for iPhone 15

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

Release Date11 May 2026
Upload Date07 May 2026
File NameiPhone15,4_26.5_23F77_Restore.ipsw
File Size9.64 GB
SHA256sum508eae53d8d6af651c09f16a1cd796ae03b11cc13b535b9f3d0799e28e852956
MD5sum6c2dcb30cd06e4a9632ba9e38de2c5f8
SHA1sum91a33b09ff4c20cc52fafc55e41801c31871eaf5
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_26.5_23F77_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_26.5_23F77_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_26.5_23F77_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 15 to reboot.