IPSW Downloads

iOS 17.1 - 21B80 for iPhone 15 Plus

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

Release Date25 October 2023
Upload Date21 October 2023
File NameiPhone15,5_17.1_21B80_Restore.ipsw
File Size7.47 GB
SHA256sum1cf6f5567a3042ece212007472639f184473d68a6a6db6da015c2041964451fe
MD5sum9485cce5e7a937d23f4e2e4f44f40987
SHA1sumb4d9012f774fd05309d089f6dfa3d00454fe742a
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_17.1_21B80_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_17.1_21B80_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_17.1_21B80_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 15 Plus to reboot.