iOS 15.3.1 (19D52) for iPhone 7 Plus (GSM)

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iPhone 7 Plus (GSM)

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

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Download (5.6 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 7 Plus (GSM) in to your PC.
  3. Open Apple Devices, and navigate to your iPhone 7 Plus (GSM).
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone_5.5_P3_15.3.1_19D52_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 7 Plus (GSM) to reboot.

macOS

  1. Plug your iPhone 7 Plus (GSM) in to your Mac.
  2. Navigate to your iPhone 7 Plus (GSM) in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone_5.5_P3_15.3.1_19D52_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 7 Plus (GSM) to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 7 Plus (GSM) 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_5.5_P3_15.3.1_19D52_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 7 Plus (GSM) to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone_5.5_P3_15.3.1_19D52_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 3e91ea504f28ddaefcc0482267a6dcbd5ce51ffd. 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_5.5_P3_15.3.1_19D52_Restore.ipsw
  3. The output of the command should match the following checksum: 3e91ea504f28ddaefcc0482267a6dcbd5ce51ffd. 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_5.5_P3_15.3.1_19D52_Restore.ipsw
  3. The output of the command should match the following checksum: 3e91ea504f28ddaefcc0482267a6dcbd5ce51ffd. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum1cb297d3a370754a00c7fd9c45f798bb5247ce54e2fdef64e86e73b1fdd5a8f7
MD5sum1cb297d3a370754a00c7fd9c45f798bb5247ce54e2fdef64e86e73b1fdd5a8f7
SHA1sum3e91ea504f28ddaefcc0482267a6dcbd5ce51ffd
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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