iOS 26.5 (23F77) for iPhone Air

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2 Choose a device
3 Choose a version
4 Download
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_26.5_23F77_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_26.5_23F77_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_26.5_23F77_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_26.5_23F77_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 35fcad248ce1c3e0f149fd82f3f264d4d1db3fe0. 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_26.5_23F77_Restore.ipsw
  3. The output of the command should match the following checksum: 35fcad248ce1c3e0f149fd82f3f264d4d1db3fe0. 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_26.5_23F77_Restore.ipsw
  3. The output of the command should match the following checksum: 35fcad248ce1c3e0f149fd82f3f264d4d1db3fe0. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum5745dd7f23b4f482dd65599557173f772f671f9d7b1eb4b26197adc97e7e8cfa
MD5sum724c8fb3982daa068a3eabd84d9d176d
SHA1sum35fcad248ce1c3e0f149fd82f3f264d4d1db3fe0
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 and security updates 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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