iOS 15.8.8 (19H422) for iPhone 6s+

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iPhone 6s+

✓ This firmware is signed. This means that you can restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.

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

Download (5.1 GiB)

Windows

  1. Install the latest version of Apple Devices from the Microsoft Store.
  2. Plug your iPhone 6s+ in to your PC.
  3. Open Apple Devices, and navigate to your iPhone 6s+.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone_5.5_15.8.8_19H422_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_15.8.8_19H422_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_15.8.8_19H422_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_15.8.8_19H422_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: e44b9964d6a1cdaf8f3ed5d1675959da806301cf. 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_15.8.8_19H422_Restore.ipsw
  3. The output of the command should match the following checksum: e44b9964d6a1cdaf8f3ed5d1675959da806301cf. 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_15.8.8_19H422_Restore.ipsw
  3. The output of the command should match the following checksum: e44b9964d6a1cdaf8f3ed5d1675959da806301cf. If it doesn't, you may need to redownload the file.

Checksums

SHA256sumbfa590392f10d4b4c7600921f8c3158e861bd2680d9e188351f478b54406332b
MD5sum56c5b3f48a5b3cf83943126777f6794d
SHA1sume44b9964d6a1cdaf8f3ed5d1675959da806301cf
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

This update provides bug fixes and security updates for your iPhone.

For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/100100

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