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iPhone 6s

iOS 9.2.1 (13D15) 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 (2.15 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 iPhone8,1_9.2.1_13D15_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 iPhone8,1_9.2.1_13D15_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 iPhone8,1_9.2.1_13D15_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 iPhone8,1_9.2.1_13D15_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 251bce82c833ed053176faade41e5adfa5c2c65a. 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 iPhone8,1_9.2.1_13D15_Restore.ipsw
  3. The output of the command should match the following checksum: 251bce82c833ed053176faade41e5adfa5c2c65a. 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 iPhone8,1_9.2.1_13D15_Restore.ipsw
  3. The output of the command should match the following checksum: 251bce82c833ed053176faade41e5adfa5c2c65a. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum aa75ad2b5db958eb29be2fb89c8f1053c86d85ced147144d1319c738ea37cb4d
MD5sum fb86ad6278b1cf5dbecf0ef82f51e1dc
SHA1sum 251bce82c833ed053176faade41e5adfa5c2c65a
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

This update contains security updates and bug fixes including a fix for an issue that could prevent the completion of app installation when using an MDM server.

For information on the security content of this update, please visit this website:

https://support.apple.com/HT201222

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