iOS 14.4.2 (18D70) for iPhone 8 Plus (GSM)

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iPhone 8 Plus (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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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 Plus (GSM) in to your PC.
  3. Open Apple Devices, and navigate to your iPhone 8 Plus (GSM).
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone_5.5_P3_14.4.2_18D70_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 8 Plus (GSM) to reboot.

macOS

  1. Plug your iPhone 8 Plus (GSM) in to your Mac.
  2. Navigate to your iPhone 8 Plus (GSM) in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone_5.5_P3_14.4.2_18D70_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 8 Plus (GSM) to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 8 Plus (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_5.5_P3_14.4.2_18D70_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 8 Plus (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_5.5_P3_14.4.2_18D70_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: c8a6ae2b5c18f0036b0a4f515da0facea1344b3d. 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_5.5_P3_14.4.2_18D70_Restore.ipsw
  3. The output of the command should match the following checksum: c8a6ae2b5c18f0036b0a4f515da0facea1344b3d. 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_5.5_P3_14.4.2_18D70_Restore.ipsw
  3. The output of the command should match the following checksum: c8a6ae2b5c18f0036b0a4f515da0facea1344b3d. If it doesn't, you may need to redownload the file.

Checksums

SHA256sumec5c5ccec70e85fcb870d105a6202a8d9f8a1e9104cb7d9df83a3b8f4b04397c
MD5sumec5c5ccec70e85fcb870d105a6202a8d9f8a1e9104cb7d9df83a3b8f4b04397c
SHA1sumc8a6ae2b5c18f0036b0a4f515da0facea1344b3d
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

This update provides important security updates and is recommended for all users.

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

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