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iPhone 7 (Global)

iOS 15.3.1 (19D52) for iPhone 7 (Global)

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

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Download (5.77 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 7 (Global) in to your PC.
  3. Open iTunes, and navigate to your iPhone 7 (Global).
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone_4.7_P3_15.3.1_19D52_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 7 (Global) to reboot.

macOS

  1. Plug your iPhone 7 (Global) in to your Mac.
  2. Navigate to your iPhone 7 (Global) in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone_4.7_P3_15.3.1_19D52_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 7 (Global) to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 7 (Global) 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_4.7_P3_15.3.1_19D52_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 7 (Global) to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone_4.7_P3_15.3.1_19D52_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 31c8da384b3e5bc07546c512d670c0452d36c8f1. 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_4.7_P3_15.3.1_19D52_Restore.ipsw
  3. The output of the command should match the following checksum: 31c8da384b3e5bc07546c512d670c0452d36c8f1. 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_4.7_P3_15.3.1_19D52_Restore.ipsw
  3. The output of the command should match the following checksum: 31c8da384b3e5bc07546c512d670c0452d36c8f1. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum e61fbceef506092cdcea2d1937b4c5842b636bf98426ca46a9127bbf9dbabe88
MD5sum cfa34e4b9a5b19333bf82603af629d80
SHA1sum 31c8da384b3e5bc07546c512d670c0452d36c8f1
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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