iOS 12.1.2 (16C104) for iPhone 8 (Global)

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iPhone 8 (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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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 8 (Global) in to your PC.
  3. Open Apple Devices, and navigate to your iPhone 8 (Global).
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone_4.7_P3_12.1.2_16C104_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 8 (Global) to reboot.

macOS

  1. Plug your iPhone 8 (Global) in to your Mac.
  2. Navigate to your iPhone 8 (Global) in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone_4.7_P3_12.1.2_16C104_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 8 (Global) to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 8 (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_12.1.2_16C104_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 8 (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_12.1.2_16C104_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 6c82e7ce33296bf5b5792bece9ce06a2abf13103. 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_12.1.2_16C104_Restore.ipsw
  3. The output of the command should match the following checksum: 6c82e7ce33296bf5b5792bece9ce06a2abf13103. 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_12.1.2_16C104_Restore.ipsw
  3. The output of the command should match the following checksum: 6c82e7ce33296bf5b5792bece9ce06a2abf13103. If it doesn't, you may need to redownload the file.

Checksums

SHA256sumfa363c716f7cbe707a764ce8cf851634cc3ec66fef698954cd035d8bc72b9956
MD5sumfa363c716f7cbe707a764ce8cf851634cc3ec66fef698954cd035d8bc72b9956
SHA1sum6c82e7ce33296bf5b5792bece9ce06a2abf13103
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 12.1.2 includes bug fixes for your iPhone. This update:

  • Fixes bugs with eSIM activation for iPhone XR, iPhone XS, and iPhone XS Max

  • Addresses an issue that could affect cellular connectivity in Turkey for iPhone XR, iPhone XS, and iPhone XS Max

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

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