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iPhone 17

iOS 26.0.1 (23A355) for iPhone 17

✓ This firmware is signed. This means that you can restore to it in iTunes.

Your download should begin shortly. If it does not, you can download it directly here:

Download (11 GB)

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Plug your iPhone 17 in to your PC.
  3. Open iTunes, and navigate to your iPhone 17.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone18,3_26.0.1_23A355_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 17 to reboot.

macOS

  1. Plug your iPhone 17 in to your Mac.
  2. Navigate to your iPhone 17 in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone18,3_26.0.1_23A355_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 17 to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 17 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 iPhone18,3_26.0.1_23A355_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 17 to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone18,3_26.0.1_23A355_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: cba7371dc1b806830716af4bd8ecea01b48b793a. 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 iPhone18,3_26.0.1_23A355_Restore.ipsw
  3. The output of the command should match the following checksum: cba7371dc1b806830716af4bd8ecea01b48b793a. 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 iPhone18,3_26.0.1_23A355_Restore.ipsw
  3. The output of the command should match the following checksum: cba7371dc1b806830716af4bd8ecea01b48b793a. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum 5abf2d825e7b4ac07c899ffd8cfce1162feb6d70ced4b9db6fe0c351c832474a
MD5sum 09fa957f7e66b2065246e421d29bf4ab
SHA1sum cba7371dc1b806830716af4bd8ecea01b48b793a
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 bug fixes and security updates for your iPhone, including fixes for the following issues:

  • Wi-Fi and Bluetooth may occasionally disconnect on iPhone 17, iPhone Air, and iPhone 17 Pro models

  • A small number of iPhone users may be unable to connect to a cellular network after updating to iOS 26

  • Photos taken under certain lighting conditions with iPhone 17, iPhone Air, and iPhone 17 Pro models may include unexpected artifacts

  • App icons may appear blank after adding a custom tint

  • VoiceOver may become disabled for some users after updating to iOS 26

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

https://support.apple.com/100100

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