IPSW Downloads

iOS 17.0.3 - 21A360 for iPhone 15

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

Release Date04 October 2023
Upload Date02 October 2023
File NameiPhone15,4_17.0.3_21A360_Restore.ipsw
File Size7.45 GB
SHA256sumfb0e74363f694b26c950fdf820af53643a84d950e55faad0af6432008fb8b7bb
MD5sum3869d1e73953035bd88171e1b89fb265
SHA1sum414858cd7fa18fc551bf6788685401791b15a0ba
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_17.0.3_21A360_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_17.0.3_21A360_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_17.0.3_21A360_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 15 to reboot.