IPSW Downloads

iOS 17.0.3 - 21A360 for iPhone 14 Pro Max

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

Release Date04 October 2023
Upload Date02 October 2023
File NameiPhone15,3_17.0.3_21A360_Restore.ipsw
File Size7.40 GB
SHA256sum2b9df3f6a768e6a3d038bbd89ee2cd97cbdfc81fe9635227e2f586af6dd4a730
MD5sum7d1011bd2443c37235545fece07ee904
SHA1sum63538386e56ba724161710014db59e19ce4c33a9
IdentifieriPhone15,3

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 14 Pro Max to your PC.
  3. Open iTunes and navigate to your iPhone 14 Pro Max.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone15,3_17.0.3_21A360_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 14 Pro Max to reboot.

macOS

  1. Connect your iPhone 14 Pro Max to your Mac.
  2. Navigate to your iPhone 14 Pro Max in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone15,3_17.0.3_21A360_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 14 Pro Max to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 14 Pro Max 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 iPhone15,3_17.0.3_21A360_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 14 Pro Max to reboot.