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iPhone 6

iOS 12.5.4 (16H50) for iPhone 6

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

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

Download (3.03 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 6 in to your PC.
  3. Open iTunes, and navigate to your iPhone 6.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone_4.7_12.5.4_16H50_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 6 to reboot.

macOS

  1. Plug your iPhone 6 in to your Mac.
  2. Navigate to your iPhone 6 in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone_4.7_12.5.4_16H50_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 6 to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 6 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_12.5.4_16H50_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 6 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_12.5.4_16H50_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 6b11f68ad26960fd9f1d67241788399ebbbd3217. 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_12.5.4_16H50_Restore.ipsw
  3. The output of the command should match the following checksum: 6b11f68ad26960fd9f1d67241788399ebbbd3217. 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_12.5.4_16H50_Restore.ipsw
  3. The output of the command should match the following checksum: 6b11f68ad26960fd9f1d67241788399ebbbd3217. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum 8116ebeac66b57c8a46ed430832a3ccf35ec5a2a1df1e6f89a856f271641dacd
MD5sum f17ff58de9abe2241e6d13aeb872b1ca
SHA1sum 6b11f68ad26960fd9f1d67241788399ebbbd3217
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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