iOS 15.3 (19D50) 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.

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

Download (5.4 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 (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_15.3_19D50_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_15.3_19D50_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_15.3_19D50_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_15.3_19D50_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 3e30b7c920e0c67f22b781cbada24d66569da1c9. 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_15.3_19D50_Restore.ipsw
  3. The output of the command should match the following checksum: 3e30b7c920e0c67f22b781cbada24d66569da1c9. 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_15.3_19D50_Restore.ipsw
  3. The output of the command should match the following checksum: 3e30b7c920e0c67f22b781cbada24d66569da1c9. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum3df413ee98252c017c136a5b4428555554450e4eae658401f7039238a86d1c50
MD5sum3df413ee98252c017c136a5b4428555554450e4eae658401f7039238a86d1c50
SHA1sum3e30b7c920e0c67f22b781cbada24d66569da1c9
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 15.3 includes bug fixes and security updates for your iPhone 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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