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iPhone XS Max

iOS 14.8 (18H17) for iPhone XS Max

✗ This firmware is not signed. This means you cannot restore to it in iTunes.

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Download (6.58 GB)

✗ This firmware is not signed. This means you cannot restore to it in iTunes. The instructions below are included for reference only.

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Plug your iPhone XS Max in to your PC.
  3. Open iTunes, and navigate to your iPhone XS Max.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone11,2,iPhone11,4,iPhone11,6,iPhone12,3,iPhone12,5_14.8_18H17_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone XS Max to reboot.

macOS

  1. Plug your iPhone XS Max in to your Mac.
  2. Navigate to your iPhone XS Max in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone11,2,iPhone11,4,iPhone11,6,iPhone12,3,iPhone12,5_14.8_18H17_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone XS Max to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone XS Max 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 iPhone11,2,iPhone11,4,iPhone11,6,iPhone12,3,iPhone12,5_14.8_18H17_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone XS Max to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone11,2,iPhone11,4,iPhone11,6,iPhone12,3,iPhone12,5_14.8_18H17_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 154935c40dc4659f6d5a111fa011c6d6267c5daa. 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 iPhone11,2,iPhone11,4,iPhone11,6,iPhone12,3,iPhone12,5_14.8_18H17_Restore.ipsw
  3. The output of the command should match the following checksum: 154935c40dc4659f6d5a111fa011c6d6267c5daa. 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 iPhone11,2,iPhone11,4,iPhone11,6,iPhone12,3,iPhone12,5_14.8_18H17_Restore.ipsw
  3. The output of the command should match the following checksum: 154935c40dc4659f6d5a111fa011c6d6267c5daa. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum ff2044d6e4a210205aa23224c10a957259df75c1038b593206053c064fd3bcd3
MD5sum 62c292b01e84393d3dfc04d0a7665a7c
SHA1sum 154935c40dc4659f6d5a111fa011c6d6267c5daa
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 security updates and is recommended for all users.

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

https://support.apple.com/kb/HT201222

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