IPSW Downloads

iOS 17.3 - 21D50 for iPhone 11

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

Release Date22 January 2024
Upload Date13 January 2024
File NameiPhone12,1_17.3_21D50_Restore.ipsw
File Size6.81 GB
SHA256sumf0c1691d46f7bb15cdbf6f2af9cb788881075381f67c9fa6fd9916c3c1004b3d
MD5sum305fa91d348bd38260ff58a0f431ae0e
SHA1sum2123976b9860129d07bf2b05be2a9c2808572a6f
IdentifieriPhone12,1

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 11 to your PC.
  3. Open iTunes and navigate to your iPhone 11.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone12,1_17.3_21D50_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 11 to reboot.

macOS

  1. Connect your iPhone 11 to your Mac.
  2. Navigate to your iPhone 11 in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone12,1_17.3_21D50_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 11 to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 11 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 iPhone12,1_17.3_21D50_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 11 to reboot.