iOS 17.1.2 (21B101) for iPhone 11

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iPhone 11

✗ This firmware is not signed. This means you cannot 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 (6.8 GiB)

This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore. The instructions below are included for reference only.

Windows

  1. Install the latest version of Apple Devices from the Microsoft Store.
  2. Plug your iPhone 11 in to your PC.
  3. Open Apple Devices, and navigate to your iPhone 11.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone12,1_17.1.2_21B101_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 11 to reboot.

macOS

  1. Plug your iPhone 11 in to your Mac.
  2. Navigate to your iPhone 11 in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone12,1_17.1.2_21B101_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 11 to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 11 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 iPhone12,1_17.1.2_21B101_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 11 to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone12,1_17.1.2_21B101_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 2d6b626a7f02a2f28f20c409f4a5e8550af481d2. 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 iPhone12,1_17.1.2_21B101_Restore.ipsw
  3. The output of the command should match the following checksum: 2d6b626a7f02a2f28f20c409f4a5e8550af481d2. 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 iPhone12,1_17.1.2_21B101_Restore.ipsw
  3. The output of the command should match the following checksum: 2d6b626a7f02a2f28f20c409f4a5e8550af481d2. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum5943effccff96d210c34a666e2202a7059d2f1ad9ebc83e212e22d48ca03d0cd
MD5sum5943effccff96d210c34a666e2202a7059d2f1ad9ebc83e212e22d48ca03d0cd
SHA1sum2d6b626a7f02a2f28f20c409f4a5e8550af481d2
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 fixes 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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