iOS 15.3.1 (19D52) for iPhone SE

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iPhone SE

✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.

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

Download (5.0 GiB)

This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore. The instructions below are included for reference only.

Windows

  1. Install the latest version of Apple Devices from the Microsoft Store.
  2. Plug your iPhone SE in to your PC.
  3. Open Apple Devices, and navigate to your iPhone SE.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone_4.0_64bit_15.3.1_19D52_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone SE to reboot.

macOS

  1. Plug your iPhone SE in to your Mac.
  2. Navigate to your iPhone SE in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone_4.0_64bit_15.3.1_19D52_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone SE to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone SE 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 iPhone_4.0_64bit_15.3.1_19D52_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone SE to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone_4.0_64bit_15.3.1_19D52_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 91ef48064e59178f32478510afdd74edb37bd9b5. 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 iPhone_4.0_64bit_15.3.1_19D52_Restore.ipsw
  3. The output of the command should match the following checksum: 91ef48064e59178f32478510afdd74edb37bd9b5. 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 iPhone_4.0_64bit_15.3.1_19D52_Restore.ipsw
  3. The output of the command should match the following checksum: 91ef48064e59178f32478510afdd74edb37bd9b5. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum2f83275abe237f6200e3b7b7b57eedcf497cffe205914d0735b60a7324eed04d
MD5sum2f83275abe237f6200e3b7b7b57eedcf497cffe205914d0735b60a7324eed04d
SHA1sum91ef48064e59178f32478510afdd74edb37bd9b5
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 15.3.1 provides important security updates for your iPhone and fixes an issue that may cause Braille displays to stop responding.

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

https://support.apple.com/kb/HT201222

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