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iPhone 8 (GSM)

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

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

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Download (5.65 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 (GSM) in to your PC.
  3. Open iTunes, 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_15.5_19F77_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_15.5_19F77_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_15.5_19F77_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_15.5_19F77_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 37ce23d3df03f319300f87b7e430ee5590b3c6d8. 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_15.5_19F77_Restore.ipsw
  3. The output of the command should match the following checksum: 37ce23d3df03f319300f87b7e430ee5590b3c6d8. 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_15.5_19F77_Restore.ipsw
  3. The output of the command should match the following checksum: 37ce23d3df03f319300f87b7e430ee5590b3c6d8. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum f3492387ae99db63b7d91a2affbc00703ea79cc34d379150a118ad1ee2cc6309
MD5sum e1b5ad192da6d0d4399f0b0f0a9d7b4a
SHA1sum 37ce23d3df03f319300f87b7e430ee5590b3c6d8
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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