iOS 15.4.1 (19E258) 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 (5.2 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_15.4.1_19E258_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_15.4.1_19E258_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_15.4.1_19E258_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_15.4.1_19E258_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 24105ee73faa0a65ca0e20377297b36b4e02e6b8. 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_15.4.1_19E258_Restore.ipsw
  3. The output of the command should match the following checksum: 24105ee73faa0a65ca0e20377297b36b4e02e6b8. 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_15.4.1_19E258_Restore.ipsw
  3. The output of the command should match the following checksum: 24105ee73faa0a65ca0e20377297b36b4e02e6b8. If it doesn't, you may need to redownload the file.

Checksums

SHA256suma4402bec75877945bf3caa61a4441997c6a0f83a17914ba7493279ef86068cc2
MD5suma4402bec75877945bf3caa61a4441997c6a0f83a17914ba7493279ef86068cc2
SHA1sum24105ee73faa0a65ca0e20377297b36b4e02e6b8
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

This update includes the following bug fixes for your iPhone:

  • Battery may drain more quickly than expected after updating to iOS 15.4

  • Braille devices may become unresponsive while navigating text or displaying an alert

  • Made for iPhone hearing devices may lose connection within some third-party apps

For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/kb/HT201222

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