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iPhone 8 (Global)

iOS 15.3 (19D50) for iPhone 8 (Global)

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

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Download (5.81 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 8 (Global) in to your PC.
  3. Open iTunes, 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

SHA256sum 3df413ee98252c017c136a5b4428555554450e4eae658401f7039238a86d1c50
MD5sum 930d5d4bcfaacc019d190450e8b76e4b
SHA1sum 3e30b7c920e0c67f22b781cbada24d66569da1c9
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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