IPSW Downloads

iOS 17.2.1 - 21C66 for iPhone SE 3rd Gen

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

Release Date19 December 2023
Upload Date16 December 2023
File NameiPhone14,6_17.2.1_21C66_Restore.ipsw
File Size6.98 GB
SHA256sum8026a07badd1eb96ef7c6c1d3765fe431e066112ad0abf23968432f793a345b1
MD5sumb86fd4b0fe96713ccc2eab6d64283081
SHA1sum85bfa91f74e20b90925c693fec8d6af6985027e4
IdentifieriPhone14,6

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone SE 3rd Gen to your PC.
  3. Open iTunes and navigate to your iPhone SE 3rd Gen.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone14,6_17.2.1_21C66_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone SE 3rd Gen to reboot.

macOS

  1. Connect your iPhone SE 3rd Gen to your Mac.
  2. Navigate to your iPhone SE 3rd Gen in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone14,6_17.2.1_21C66_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone SE 3rd Gen to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone SE 3rd Gen 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 iPhone14,6_17.2.1_21C66_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone SE 3rd Gen to reboot.