IPSW Downloads

iOS 17.1.1 - 21B91 for iPhone XS

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

Release Date08 November 2023
Upload Date03 November 2023
File NameiPhone11,2,iPhone11,4,iPhone11,6_17.1.1_21B91_Restore.ipsw
File Size7.09 GB
SHA256sum139a697d11b11ee2ebf9c2e8551aa817a49ad71f7df524d78651476079150736
MD5sumf8a249a013dd6ee529af96a6e26119f1
SHA1sum9dd1a2229ac7efd90670722caf5f14b80645b265
IdentifieriPhone11,2

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone XS to your PC.
  3. Open iTunes and navigate to your iPhone XS.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone11,2,iPhone11,4,iPhone11,6_17.1.1_21B91_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone XS to reboot.

macOS

  1. Connect your iPhone XS to your Mac.
  2. Navigate to your iPhone XS in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone11,2,iPhone11,4,iPhone11,6_17.1.1_21B91_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone XS to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone XS 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 iPhone11,2,iPhone11,4,iPhone11,6_17.1.1_21B91_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone XS to reboot.