iOS 26.3.1 (23D8133) for iPhone 16 Plus

1 Choose a product
2 Choose a device
3 Choose a version
4 Download
iPhone 16 Plus

✓ 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 (10 GiB)

Windows

  1. Install the latest version of Apple Devices from the Microsoft Store.
  2. Plug your iPhone 16 Plus in to your PC.
  3. Open Apple Devices, and navigate to your iPhone 16 Plus.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone17,4_26.3.1_23D8133_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 16 Plus to reboot.

macOS

  1. Plug your iPhone 16 Plus in to your Mac.
  2. Navigate to your iPhone 16 Plus in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone17,4_26.3.1_23D8133_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 16 Plus to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 16 Plus 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 iPhone17,4_26.3.1_23D8133_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 16 Plus to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone17,4_26.3.1_23D8133_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 849e378e1daf2993db4b3285ae2cfb04c05a2b26. 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 iPhone17,4_26.3.1_23D8133_Restore.ipsw
  3. The output of the command should match the following checksum: 849e378e1daf2993db4b3285ae2cfb04c05a2b26. 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 iPhone17,4_26.3.1_23D8133_Restore.ipsw
  3. The output of the command should match the following checksum: 849e378e1daf2993db4b3285ae2cfb04c05a2b26. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum537210781068cb9386eb7925f675cec7dacc2857963a7b3117d832e678cadc48
MD5sum537210781068cb9386eb7925f675cec7dacc2857963a7b3117d832e678cadc48
SHA1sum849e378e1daf2993db4b3285ae2cfb04c05a2b26
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

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

https://support.apple.com/100100

Bluesky Mastodon r/jailbreak Twitter