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iPhone 8 Plus (GSM)

iOS 16.5 (20F66) for iPhone 8 Plus (GSM)

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

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Download (6.15 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 Plus (GSM) in to your PC.
  3. Open iTunes, 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_16.5_20F66_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_16.5_20F66_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_16.5_20F66_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_16.5_20F66_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 42015fac77c78ff4cc416e666d0f2bcaaf3a0cc1. 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_16.5_20F66_Restore.ipsw
  3. The output of the command should match the following checksum: 42015fac77c78ff4cc416e666d0f2bcaaf3a0cc1. 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_16.5_20F66_Restore.ipsw
  3. The output of the command should match the following checksum: 42015fac77c78ff4cc416e666d0f2bcaaf3a0cc1. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum 5f664135371908215c1c623c90209ecfe6815ee48fa98d0113126316cc600b15
MD5sum 009eb5f4a0cdd8a90abfc9f8a512a7b2
SHA1sum 42015fac77c78ff4cc416e666d0f2bcaaf3a0cc1
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 enhancements and bug fixes:

  • A new Pride Celebration wallpaper for the Lock Screen to honor the LGBTQ+ community and culture
  • Sports tab in Apple News gives easy access to stories, scores, standings, and more, for the teams and leagues you follow
  • My Sports score and schedule cards in Apple News take you directly to game pages where you can find additional details about specific games
  • Fixes an issue where Spotlight may become unresponsive
  • Addresses an issue where Podcasts in CarPlay may not load content
  • Fixes an issue where Screen Time settings may reset or not sync across all devices

Some features may not be available for all regions or on all Apple devices. For information on the security content of Apple software updates, please visit this website:

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

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