IPSW Downloads

iOS 17.1 - 21B74 for iPhone 12

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

Release Date25 October 2023
Upload Date15 October 2023
File NameiPhone13,2,iPhone13,3_17.1_21B74_Restore.ipsw
File Size7.32 GB
SHA256sumbef9b6889892bf64fb91586773fb1484b47f3482714e9ae741f12f00c6608d8d
MD5sum41a6ab9d0ee83342a1f37debdea3fb20
SHA1sumb1ae7cb2e908d8300bd9f2b34ab1188971cb3a57
IdentifieriPhone13,2

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 12 to your PC.
  3. Open iTunes and navigate to your iPhone 12.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone13,2,iPhone13,3_17.1_21B74_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 12 to reboot.

macOS

  1. Connect your iPhone 12 to your Mac.
  2. Navigate to your iPhone 12 in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone13,2,iPhone13,3_17.1_21B74_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 12 to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 12 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 iPhone13,2,iPhone13,3_17.1_21B74_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 12 to reboot.