IPSW Downloads

iOS 17.1.1 - 21B91 for iPhone 14 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 NameiPhone15,3_17.1.1_21B91_Restore.ipsw
File Size7.43 GB
SHA256sum5a8709c185be5cc32169e4745a9a1badf7975a996637e1d64371b23f9ee14fff
MD5sum9c7c724c92c6083b159c7d7ff121d6d3
SHA1sum6b1ef373e8867a370e4e50d283fef9328562061a
IdentifieriPhone15,3

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 14 Pro Max to your PC.
  3. Open iTunes and navigate to your iPhone 14 Pro Max.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone15,3_17.1.1_21B91_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 14 Pro Max to reboot.

macOS

  1. Connect your iPhone 14 Pro Max to your Mac.
  2. Navigate to your iPhone 14 Pro Max in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone15,3_17.1.1_21B91_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 14 Pro Max to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 14 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 iPhone15,3_17.1.1_21B91_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 14 Pro Max to reboot.