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iPhone 8 Plus (GSM)

iOS 15.5 (19F77) for iPhone 8 Plus (GSM)

✗ 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 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_15.5_19F77_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_15.5_19F77_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_15.5_19F77_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_15.5_19F77_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 1c57dae65f5bbd9f6e1dbd484321584b3459953c. 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_15.5_19F77_Restore.ipsw
  3. The output of the command should match the following checksum: 1c57dae65f5bbd9f6e1dbd484321584b3459953c. 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_15.5_19F77_Restore.ipsw
  3. The output of the command should match the following checksum: 1c57dae65f5bbd9f6e1dbd484321584b3459953c. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum 5707feca3ea96c7732c220ea6e0cb4bfb6355d0686fbde4d7c274ae70c52c031
MD5sum 7860754ee9a9bcdbeff2de43aa1b3412
SHA1sum 1c57dae65f5bbd9f6e1dbd484321584b3459953c
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 15.5 includes the following improvements and bug fixes:

  • Wallet now enables Apple Cash customers to send and request money from their Apple Cash card

  • Apple Podcasts includes a new setting to limit episodes stored on your iPhone and automatically delete older ones

  • Fixes an issue where home automations, triggered by people arriving or leaving, may fail

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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