iOS 11.3.1 (15E302) for iPhone 7 (GSM)

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iPhone 7 (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 (2.7 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 (GSM) in to your PC.
  3. Open Apple Devices, and navigate to your iPhone 7 (GSM).
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone_4.7_P3_11.0_11.3.1_15E302_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 7 (GSM) to reboot.

macOS

  1. Plug your iPhone 7 (GSM) in to your Mac.
  2. Navigate to your iPhone 7 (GSM) in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone_4.7_P3_11.0_11.3.1_15E302_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 7 (GSM) to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 7 (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_4.7_P3_11.0_11.3.1_15E302_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 7 (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_4.7_P3_11.0_11.3.1_15E302_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 00f8a05f2e1480e3f4d92932081a35d00b7980cd. 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_11.0_11.3.1_15E302_Restore.ipsw
  3. The output of the command should match the following checksum: 00f8a05f2e1480e3f4d92932081a35d00b7980cd. 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_11.0_11.3.1_15E302_Restore.ipsw
  3. The output of the command should match the following checksum: 00f8a05f2e1480e3f4d92932081a35d00b7980cd. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum7cd5687b6c3a64fbb56dcd825f2f9d776a6ded05d3751b6dceab65cd2ca5329a
MD5sum7cd5687b6c3a64fbb56dcd825f2f9d776a6ded05d3751b6dceab65cd2ca5329a
SHA1sum00f8a05f2e1480e3f4d92932081a35d00b7980cd
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 11.3.1 improves the security of your iPhone or iPad and addresses an issue where touch input was unresponsive on some iPhone 8 devices because they were serviced with non-genuine replacement displays.

Note: Non-genuine replacement displays may have compromised visual quality and may fail to work correctly. Apple-certified screen repairs are performed by trusted experts who use genuine Apple parts. See https://support.apple.com for more information.

For information on the security content of Apple software updates, please visit this website: https://support.apple.com/kb/HT201222

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