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iPhone 6s

iOS 14.8 (18H17) 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 (4.74 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_4.7_14.8_18H17_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_4.7_14.8_18H17_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_4.7_14.8_18H17_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_4.7_14.8_18H17_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 37a823f555ccfc38bdf481696a0343e2557fcd1b. 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_14.8_18H17_Restore.ipsw
  3. The output of the command should match the following checksum: 37a823f555ccfc38bdf481696a0343e2557fcd1b. 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_14.8_18H17_Restore.ipsw
  3. The output of the command should match the following checksum: 37a823f555ccfc38bdf481696a0343e2557fcd1b. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum 64c16cfecb80802b55c1962cd609accfcd85437e3843b87851ac53a0d2ea9ef1
MD5sum 00a8f2535ea1b3c705bad70cffbe80d5
SHA1sum 37a823f555ccfc38bdf481696a0343e2557fcd1b
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

This update provides important security updates and is recommended for all users.

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

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

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