iOS 12.4 (16G77) for iPhone 8 (GSM)

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iPhone 8 (GSM)

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

Your download should begin shortly. If it does not, you can download it directly here:

Download (3.2 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 8 (GSM) in to your PC.
  3. Open Apple Devices, and navigate to your iPhone 8 (GSM).
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone_4.7_P3_12.4_16G77_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 iPhone_4.7_P3_12.4_16G77_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 iPhone_4.7_P3_12.4_16G77_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 iPhone_4.7_P3_12.4_16G77_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 8cbb09dfe01710949ab0422c6c5e1974fec1ce96. 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_12.4_16G77_Restore.ipsw
  3. The output of the command should match the following checksum: 8cbb09dfe01710949ab0422c6c5e1974fec1ce96. 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_12.4_16G77_Restore.ipsw
  3. The output of the command should match the following checksum: 8cbb09dfe01710949ab0422c6c5e1974fec1ce96. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum20e24253271946a1a46e29bc5166c4574c391afa6e014db4222a511b13ca1a99
MD5sum20e24253271946a1a46e29bc5166c4574c391afa6e014db4222a511b13ca1a99
SHA1sum8cbb09dfe01710949ab0422c6c5e1974fec1ce96
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 12.4 introduces iPhone migration to directly transfer data from an old iPhone to a new iPhone, includes enhancements to Apple News+ and improves the security of your iPhone or iPad. This update:

iPhone migration

  • Introduces the ability to wirelessly transfer data and migrate directly from an old iPhone to a new iPhone during setup

Apple News

  • Makes downloaded issues accessible in the My Magazines section, both online and offline

  • Adds all publications in Apple News+, including newspapers, to the catalog at the top of the News+ feed

  • Adds the ability to clear downloaded magazine issues by selecting History > Clear > Clear All

Other improvements and fixes

  • Includes a security fix for the Walkie-Talkie app on Apple Watch and re-enables Walkie-Talkie functionality

This release also includes support for HomePod in Japan and Taiwan.

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

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