IPSW Downloads

iOS 17.1 - 21B74 for iPhone 11 Pro

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

Release Date25 October 2023
Upload Date15 October 2023
File NameiPhone12,3,iPhone12,5_17.1_21B74_Restore.ipsw
File Size6.95 GB
SHA256sum6697a01dbfcd7c79ea24240e2ecdf2e5d51ddd8d51449fc67d8d389b0e635392
MD5sum361b3a640b67507d0cbfe01710cd839e
SHA1sum925956b020dd9820734b18920fb0a296832f46a2
IdentifieriPhone12,3

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 11 Pro to your PC.
  3. Open iTunes and navigate to your iPhone 11 Pro.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone12,3,iPhone12,5_17.1_21B74_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 11 Pro to reboot.

macOS

  1. Connect your iPhone 11 Pro to your Mac.
  2. Navigate to your iPhone 11 Pro in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone12,3,iPhone12,5_17.1_21B74_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 11 Pro to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 11 Pro 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 iPhone12,3,iPhone12,5_17.1_21B74_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 11 Pro to reboot.