iOS 27.2 (24B91020) for iPhone Duo iPhone Duo

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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_27.2_24B91020_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_27.2_24B91020_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_27.2_24B91020_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_27.2_24B91020_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: ee29c8bb40f328e15117e5765c94959a6b022c75. 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_27.2_24B91020_Restore.ipsw
  3. The output of the command should match the following checksum: ee29c8bb40f328e15117e5765c94959a6b022c75. 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_27.2_24B91020_Restore.ipsw
  3. The output of the command should match the following checksum: ee29c8bb40f328e15117e5765c94959a6b022c75. If it doesn't, you may need to redownload the file.

Checksums

SHA1sumee29c8bb40f328e15117e5765c94959a6b022c75
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

Siri AI (All iPhone 16 models and later, iPhone 15 Pro, iPhone 15 Pro Max)

  • Siri AI can recall your past conversations, so you can ask Siri about something it told you before, like the restaurants it recommended last week

  • Siri AI can draw from more sources to give you a great answer, including photos attached in Messages, Calendar event attendees, your voicemails, and better results from Safari history and Reading List

  • Excluded Apps lets you choose which apps Siri, Search, and suggestions can access, all from one setting

  • Granular text selection lets you select and copy just the part of a Siri response you need

  • Siri AI is available in more languages, with support for French, Japanese, Korean, Portuguese, and Spanish. Siri AI is not available in the EU or mainland China

Other

  • Suggestions in Messages help you take action based on the context of your conversations, like adding a Calendar invite for a dinner

  • Shared Albums in Photos adds the ability to edit captions and comments, to avoid adding duplicate photos, and can display a reminder before albums expire so participants can save important photos and videos

  • Support for SynthID watermarking to help identify whether an image was generated or modified with generative tools in Photos and Image Playground

  • The Home tab in the Podcasts app offers two separate sections for New Episodes and Continue Playing, letting you find the latest updates from your shows and then pick up where you left off

  • Friends tab in the Games app provides context on friend suggestions and shows recent games played on friends’ player pages

  • Simple Profiles in the Apple TV app lets everyone in your household have their own profile, with recommendations that fit what they like to watch

  • FaceTime supports adding a third party sign language interpreter or live captioner to a call

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

https://support.apple.com/100100

Some features may not be available in all regions or on all iPhone models. To learn more, please visit:

https://www.apple.com/ios/feature-availability/

Usage limits may apply for some Apple Intelligence features. To learn more, please visit:

https://www.apple.com/apple-intelligence

Software updates, like this one, add new features and improvements that may affect performance and/or battery life. To learn more, please visit:

https://support.apple.com/125039

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