iOS 27.2.1 (24B156) for iPhone 16 Pro iPhone 16 Pro

1 Choose a product
2 Choose a device
3 Choose a version
4 Download

✓ 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 (12 GiB)

Windows

  1. Install the latest version of Apple Devices from the Microsoft Store.
  2. Plug your iPhone 16 Pro in to your PC.
  3. Open Apple Devices, and navigate to your iPhone 16 Pro.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone17,1_27.2.1_24B156_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 16 Pro to reboot.

macOS

  1. Plug your iPhone 16 Pro in to your Mac.
  2. Navigate to your iPhone 16 Pro in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone17,1_27.2.1_24B156_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 16 Pro to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 16 Pro 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 iPhone17,1_27.2.1_24B156_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 16 Pro to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone17,1_27.2.1_24B156_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 88389583240bf218667b3267e544b8a1efbf8bcc. 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 iPhone17,1_27.2.1_24B156_Restore.ipsw
  3. The output of the command should match the following checksum: 88389583240bf218667b3267e544b8a1efbf8bcc. 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 iPhone17,1_27.2.1_24B156_Restore.ipsw
  3. The output of the command should match the following checksum: 88389583240bf218667b3267e544b8a1efbf8bcc. If it doesn't, you may need to redownload the file.

Checksums

SHA256sume2916731a8d655d3d2d5aec75ebab1fde569a2fe3aa01092ac096d75582bea8d
MD5sum5c740d435827b4ae75c7b811a871c0ca
SHA1sum88389583240bf218667b3267e544b8a1efbf8bcc
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:

https://support.apple.com/100100

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