iOS 27.1 (24A94425) for iPhone Duo iPhone Duo

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 Duo in to your PC.
  3. Open Apple Devices, and navigate to your iPhone Duo.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone19,4_27.1_24A94425_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone Duo to reboot.

macOS

  1. Plug your iPhone Duo in to your Mac.
  2. Navigate to your iPhone Duo in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone19,4_27.1_24A94425_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone Duo to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone Duo 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 iPhone19,4_27.1_24A94425_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone Duo to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone19,4_27.1_24A94425_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 19f1bafde7dc4cba523a146a16213464aaf3bf90. 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 iPhone19,4_27.1_24A94425_Restore.ipsw
  3. The output of the command should match the following checksum: 19f1bafde7dc4cba523a146a16213464aaf3bf90. 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 iPhone19,4_27.1_24A94425_Restore.ipsw
  3. The output of the command should match the following checksum: 19f1bafde7dc4cba523a146a16213464aaf3bf90. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum58fbfda85615e90221136d55288f64c9f41386510f8cd77feb8c9d20cc0a782e
MD5sum269b204e32ee3eed9a3582f1f211aa70
SHA1sum19f1bafde7dc4cba523a146a16213464aaf3bf90
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 for your iPhone.

Bluesky Mastodon r/jailbreak Twitter