IPSW Downloads

iOS 17.1.1 - 21B91 for iPhone 13 Pro Max

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

Release Date08 November 2023
Upload Date03 November 2023
File NameiPhone14,3_17.1.1_21B91_Restore.ipsw
File Size7.35 GB
SHA256sum79dd1d6de4111ee9ce6b1b2801a37380a54e4984399631380bcfd229f99184a1
MD5sum6b29c697d14ce96a367496eb7a6c74b0
SHA1sum3ca21eddd8b40d8e20a7f1bd860ef70301ace660
IdentifieriPhone14,3

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 13 Pro Max to your PC.
  3. Open iTunes and navigate to your iPhone 13 Pro Max.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone14,3_17.1.1_21B91_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 13 Pro Max to reboot.

macOS

  1. Connect your iPhone 13 Pro Max to your Mac.
  2. Navigate to your iPhone 13 Pro Max in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone14,3_17.1.1_21B91_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 13 Pro Max to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 13 Pro Max 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 iPhone14,3_17.1.1_21B91_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 13 Pro Max to reboot.