IPSW Downloads

iOS 17.3 - 21D50 for iPhone 15 Plus

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

Release Date22 January 2024
Upload Date13 January 2024
File NameiPhone15,5_17.3_21D50_Restore.ipsw
File Size7.40 GB
SHA256sum69ef153c6ab20b5b6e7ae009a40413c896b06b4a5645c82e8616ff98951fb7e6
MD5sum4b142d325318b83b4e4c43ed7b80cb25
SHA1sumdc9e3f32c76c5864796920f0018b8f1337cf3119
IdentifieriPhone15,5

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 15 Plus to your PC.
  3. Open iTunes and navigate to your iPhone 15 Plus.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone15,5_17.3_21D50_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 15 Plus to reboot.

macOS

  1. Connect your iPhone 15 Plus to your Mac.
  2. Navigate to your iPhone 15 Plus in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone15,5_17.3_21D50_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 15 Plus to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 15 Plus 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 iPhone15,5_17.3_21D50_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 15 Plus to reboot.