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iPhone 6

iOS 10.2.1 (14D27) for iPhone 6

✗ 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 (2.51 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 6 in to your PC.
  3. Open iTunes, and navigate to your iPhone 6.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone_4.7_10.2.1_14D27_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 6 to reboot.

macOS

  1. Plug your iPhone 6 in to your Mac.
  2. Navigate to your iPhone 6 in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone_4.7_10.2.1_14D27_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 6 to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 6 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_10.2.1_14D27_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 6 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_10.2.1_14D27_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 41e5be8034576b1edaaeab0e05cf789d12eb76df. 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_10.2.1_14D27_Restore.ipsw
  3. The output of the command should match the following checksum: 41e5be8034576b1edaaeab0e05cf789d12eb76df. 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_10.2.1_14D27_Restore.ipsw
  3. The output of the command should match the following checksum: 41e5be8034576b1edaaeab0e05cf789d12eb76df. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum 17d3e82585b6202d73e3cbe0624c9f73844de65e77b3145383b51b70da7747e9
MD5sum f1d463a0bad9d718938d66d961c9d69e
SHA1sum 41e5be8034576b1edaaeab0e05cf789d12eb76df
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 10.2.1 includes bug fixes and improves the security of your iPhone or iPad.

It also improves power management during peak workloads to avoid unexpected shutdowns on iPhone.

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

https://support.apple.com/HT201222

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