IPSW Downloads

iOS 15.1.1 - 19B81 for iPhone 13 Pro Max

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

Release Date17 November 2021
Upload Date12 November 2021
File NameiPhone14,3_15.1.1_19B81_Restore.ipsw
File Size6.18 GB
SHA256sum7a43071c6bfdfb2d8ab411774fde5b25bc552ae41225f46b952700eef01a5780
MD5sum339982b9e41a3fb22c7c9d00ddc4d7bb
SHA1sum5bf17f08de4319ca73a70a0a24fb07452665ec72
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_15.1.1_19B81_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_15.1.1_19B81_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_15.1.1_19B81_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 13 Pro Max to reboot.