IPSW Downloads

iOS 16.5 - 20F66 for iPhone 11 Pro Max

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

Release Date18 May 2023
Upload Date13 May 2023
File NameiPhone12,3,iPhone12,5_16.5_20F66_Restore.ipsw
File Size6.09 GB
SHA256sum7dd95276bc798457b08f85cc633dfb1eb29131d51de5175b4d3a700d6ebccf9a
MD5sum89c541b0ccc7131fa4e6beb6205d99c4
SHA1sum5502033c08ccaebe38e241c61b7372727a21b364
IdentifieriPhone12,5

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 11 Pro Max to your PC.
  3. Open iTunes and navigate to your iPhone 11 Pro Max.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone12,3,iPhone12,5_16.5_20F66_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 11 Pro Max to reboot.

macOS

  1. Connect your iPhone 11 Pro Max to your Mac.
  2. Navigate to your iPhone 11 Pro Max in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone12,3,iPhone12,5_16.5_20F66_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 11 Pro Max to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 11 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 iPhone12,3,iPhone12,5_16.5_20F66_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 11 Pro Max to reboot.