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iPhone 6s+

iOS 13.5.1 (17F80) for iPhone 6s+

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

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

Download (3.97 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 6s+ in to your PC.
  3. Open iTunes, and navigate to your iPhone 6s+.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone_5.5_13.5.1_17F80_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 6s+ to reboot.

macOS

  1. Plug your iPhone 6s+ in to your Mac.
  2. Navigate to your iPhone 6s+ in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone_5.5_13.5.1_17F80_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 6s+ to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 6s+ 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_13.5.1_17F80_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 6s+ 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_13.5.1_17F80_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 20319108c677170882b004a8aa1ec150d6c182a1. 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_13.5.1_17F80_Restore.ipsw
  3. The output of the command should match the following checksum: 20319108c677170882b004a8aa1ec150d6c182a1. 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_13.5.1_17F80_Restore.ipsw
  3. The output of the command should match the following checksum: 20319108c677170882b004a8aa1ec150d6c182a1. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum d38ac5f5863ef96306d60dbb44c8d8c0d6a2263a8d26985eac360f2c47cc4508
MD5sum 89d3bdce2a641f2c660796fe26bfe222
SHA1sum 20319108c677170882b004a8aa1ec150d6c182a1
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 13.5.1 provides important security updates and is recommended for all users.

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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