IPSW Downloads

iOS 17.1 - 21B80 for iPhone 15

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

Release Date25 October 2023
Upload Date21 October 2023
File NameiPhone15,4_17.1_21B80_Restore.ipsw
File Size7.47 GB
SHA256sumcee577234b1386b1af5cc9964924e708708ddbb805f46676874301a2bab8920b
MD5sumcc445d8ed7dcd79715d1a2929e19d061
SHA1sum47b3ac2a81ebbec7be2cf90c182d677d66560910
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_17.1_21B80_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_17.1_21B80_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_17.1_21B80_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 15 to reboot.