iOS 15.3 (19D50) for iPhone XS Max

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iPhone XS Max

✗ This firmware is not signed. This means you cannot 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 (7.0 GiB)

This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore. The instructions below are included for reference only.

Windows

  1. Install the latest version of Apple Devices from the Microsoft Store.
  2. Plug your iPhone XS Max in to your PC.
  3. Open Apple Devices, 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_15.3_19D50_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_15.3_19D50_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_15.3_19D50_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_15.3_19D50_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 44945660fa8c11f2a4144585cc3565a44ffe8a01. 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_15.3_19D50_Restore.ipsw
  3. The output of the command should match the following checksum: 44945660fa8c11f2a4144585cc3565a44ffe8a01. 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_15.3_19D50_Restore.ipsw
  3. The output of the command should match the following checksum: 44945660fa8c11f2a4144585cc3565a44ffe8a01. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum351691323d87ecaa6d7847baf5de0efccc7e33c32ea5380e3b7603823438d9ae
MD5sum351691323d87ecaa6d7847baf5de0efccc7e33c32ea5380e3b7603823438d9ae
SHA1sum44945660fa8c11f2a4144585cc3565a44ffe8a01
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 15.3 includes bug fixes and security updates for your iPhone 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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