iOS 11.2.1 (15C153) for iPhone 7 (Global)

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iPhone 7 (Global)

✗ 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 (2.6 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 (Global) in to your PC.
  3. Open Apple Devices, 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_11.0_11.2.1_15C153_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_11.0_11.2.1_15C153_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_11.0_11.2.1_15C153_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_11.0_11.2.1_15C153_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 8f83e7c2e01b87a98437434574e943a733bb1c42. 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_11.2.1_15C153_Restore.ipsw
  3. The output of the command should match the following checksum: 8f83e7c2e01b87a98437434574e943a733bb1c42. 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_11.2.1_15C153_Restore.ipsw
  3. The output of the command should match the following checksum: 8f83e7c2e01b87a98437434574e943a733bb1c42. If it doesn't, you may need to redownload the file.

Checksums

SHA256sumc0d83f6178b90f8a1420d7d1f85e3a88a9f1e328bbebdac6d55c852ad2ef1b36
MD5sumc0d83f6178b90f8a1420d7d1f85e3a88a9f1e328bbebdac6d55c852ad2ef1b36
SHA1sum8f83e7c2e01b87a98437434574e943a733bb1c42
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 11.2.1 fixes bugs including an issue that could disable remote access to shared users of the Home app.

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

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