iOS 26.4.1 (23E254) for iPhone Air

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iPhone Air

✓ 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 Air in to your PC.
  3. Open Apple Devices, and navigate to your iPhone Air.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone18,4_26.4.1_23E254_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone Air to reboot.

macOS

  1. Plug your iPhone Air in to your Mac.
  2. Navigate to your iPhone Air in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone18,4_26.4.1_23E254_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone Air to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone Air 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 iPhone18,4_26.4.1_23E254_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone Air to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone18,4_26.4.1_23E254_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 88b67f2838cb134a8f7b21a237daec3691b0d315. 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 iPhone18,4_26.4.1_23E254_Restore.ipsw
  3. The output of the command should match the following checksum: 88b67f2838cb134a8f7b21a237daec3691b0d315. 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 iPhone18,4_26.4.1_23E254_Restore.ipsw
  3. The output of the command should match the following checksum: 88b67f2838cb134a8f7b21a237daec3691b0d315. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum60f3d8710fb5cb3b0a5af76346f4afb57d08c106455b2563f78ef8fb0849cfb5
MD5sum60f3d8710fb5cb3b0a5af76346f4afb57d08c106455b2563f78ef8fb0849cfb5
SHA1sum88b67f2838cb134a8f7b21a237daec3691b0d315
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

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