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iPhone SE (2020)

iOS 17.0.3 (21A360) for iPhone SE (2020)

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

Your download should begin shortly. If it does not, you can download it directly here:

Download (7.27 GB)

✗ This firmware is not signed. This means you cannot restore to it in iTunes. The instructions below are included for reference only.

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Plug your iPhone SE (2020) in to your PC.
  3. Open iTunes, and navigate to your iPhone SE (2020).
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone12,8_17.0.3_21A360_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone SE (2020) to reboot.

macOS

  1. Plug your iPhone SE (2020) in to your Mac.
  2. Navigate to your iPhone SE (2020) in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone12,8_17.0.3_21A360_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone SE (2020) to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone SE (2020) in to your PC.
  3. Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
  4. To perform a full erase restore, type idevicerestore -e iPhone12,8_17.0.3_21A360_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone SE (2020) to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone12,8_17.0.3_21A360_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 81f0ceb557ff638e8388d32a8f7d28067e549227. If it doesn't, you may need to redownload the file.

macOS

  1. Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
  2. Type openssl sha1 iPhone12,8_17.0.3_21A360_Restore.ipsw
  3. The output of the command should match the following checksum: 81f0ceb557ff638e8388d32a8f7d28067e549227. If it doesn't, you may need to redownload the file.

Linux

  1. Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
  2. Type openssl sha1 iPhone12,8_17.0.3_21A360_Restore.ipsw
  3. The output of the command should match the following checksum: 81f0ceb557ff638e8388d32a8f7d28067e549227. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum 1be80e115e2a4925823f0433ef0244776fd4757d0e7e72cf2a95bc5efd086d5f
MD5sum f4526ca683339e4d660dd2f35aa8cd7f
SHA1sum 81f0ceb557ff638e8388d32a8f7d28067e549227
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

This update provides important bug fixes, security updates, and addresses an issue that may cause iPhone to run warmer than expected.

For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/HT201222

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