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iPhone 8 (GSM)

iOS 11.0.2 (15A421) for iPhone 8 (GSM)

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

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Download (2.66 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 8 (GSM) in to your PC.
  3. Open iTunes, and navigate to your iPhone 8 (GSM).
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone10,4_11.0.2_15A421_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 8 (GSM) to reboot.

macOS

  1. Plug your iPhone 8 (GSM) in to your Mac.
  2. Navigate to your iPhone 8 (GSM) in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone10,4_11.0.2_15A421_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 8 (GSM) to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 8 (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 iPhone10,4_11.0.2_15A421_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 8 (GSM) to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone10,4_11.0.2_15A421_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: d6bff1e919759408860fde4a4e455c168ff6b8e3. 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 iPhone10,4_11.0.2_15A421_Restore.ipsw
  3. The output of the command should match the following checksum: d6bff1e919759408860fde4a4e455c168ff6b8e3. 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 iPhone10,4_11.0.2_15A421_Restore.ipsw
  3. The output of the command should match the following checksum: d6bff1e919759408860fde4a4e455c168ff6b8e3. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum 27f1cb2e8e761a99eb5c8dba3c506ac1134e44f9027e58af5aeca6bae67168bd
MD5sum 3f2d22be92f01e6d6c80bed4e63a506d
SHA1sum d6bff1e919759408860fde4a4e455c168ff6b8e3
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 11.0.2 includes bug fixes and improvements for your iPhone or iPad. This update:

  • Fixes an issue where crackling sounds may occur during calls for a small number of iPhone 8 and 8 Plus devices
  • Addresses an issue that could cause some photos to become hidden
  • Fixes an issue where attachments in S/MIME encrypted emails would not open

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

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

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