IPSW Downloads

iOS 17.1.1 - 21B91 for iPhone 12

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

Release Date08 November 2023
Upload Date03 November 2023
File NameiPhone13,2,iPhone13,3_17.1.1_21B91_Restore.ipsw
File Size7.32 GB
SHA256sum86f640f34d4f6a02d35c903b44bcd85e08520532c9966cb910e14131bffa6e02
MD5sum64cd57a5f0af03174ce21b8427a25a1c
SHA1sum6853f357c457f49e614cb4695eac018eafa94e1e
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_17.1.1_21B91_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_17.1.1_21B91_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_17.1.1_21B91_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 12 to reboot.