IPSW Downloads

iOS 17.3 - 21D50 for iPhone 15 Pro Max

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

Release Date22 January 2024
Upload Date13 January 2024
File NameiPhone16,2_17.3_21D50_Restore.ipsw
File Size7.58 GB
SHA256sum41956e06dc75ad2faac45952e2cd63f5181d9525d417b4bb8c1742130c88375e
MD5sum022ad4270c00790f7200013652f68f21
SHA1sumb2f6371821f1fec17956dc98effe90b41cf39689
IdentifieriPhone16,2

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 15 Pro Max to your PC.
  3. Open iTunes and navigate to your iPhone 15 Pro Max.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone16,2_17.3_21D50_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 15 Pro Max to reboot.

macOS

  1. Connect your iPhone 15 Pro Max to your Mac.
  2. Navigate to your iPhone 15 Pro Max in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone16,2_17.3_21D50_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 15 Pro Max to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 15 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 iPhone16,2_17.3_21D50_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 15 Pro Max to reboot.