IPSW Downloads

iOS 17.1.1 - 21B91 for iPhone 15 Pro

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

Release Date08 November 2023
Upload Date03 November 2023
File NameiPhone16,1_17.1.1_21B91_Restore.ipsw
File Size7.64 GB
SHA256sum3ba9cdb9213e8a46c085f48728967cfc723fdaf7946105d99395cd45972e8fd9
MD5sum125999cb2d6b9d205a2040132c2509b0
SHA1sum563b918ea0b4085b7ebf409cd420efc2dd2777ba
IdentifieriPhone16,1

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 15 Pro to your PC.
  3. Open iTunes and navigate to your iPhone 15 Pro.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone16,1_17.1.1_21B91_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 15 Pro to reboot.

macOS

  1. Connect your iPhone 15 Pro to your Mac.
  2. Navigate to your iPhone 15 Pro in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone16,1_17.1.1_21B91_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 15 Pro to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 15 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 iPhone16,1_17.1.1_21B91_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 15 Pro to reboot.