iOS 15.2.1 (19C63) for iPhone 12 Pro Max

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iPhone 12 Pro 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 (6.2 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 12 Pro Max in to your PC.
  3. Open Apple Devices, and navigate to your iPhone 12 Pro Max.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone13,4_15.2.1_19C63_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 12 Pro Max to reboot.

macOS

  1. Plug your iPhone 12 Pro Max in to your Mac.
  2. Navigate to your iPhone 12 Pro Max in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone13,4_15.2.1_19C63_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 12 Pro Max to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 12 Pro 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 iPhone13,4_15.2.1_19C63_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 12 Pro Max to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone13,4_15.2.1_19C63_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 794697eda22e21c3c9cca4a57454c34007591b7d. 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 iPhone13,4_15.2.1_19C63_Restore.ipsw
  3. The output of the command should match the following checksum: 794697eda22e21c3c9cca4a57454c34007591b7d. 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 iPhone13,4_15.2.1_19C63_Restore.ipsw
  3. The output of the command should match the following checksum: 794697eda22e21c3c9cca4a57454c34007591b7d. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum9cc298b014dd70075a1940d47561141e32a043cf20d3fd11fd3e154727bc24d0
MD5sum9cc298b014dd70075a1940d47561141e32a043cf20d3fd11fd3e154727bc24d0
SHA1sum794697eda22e21c3c9cca4a57454c34007591b7d
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 15.2.1 contains bug fixes for your iPhone including:

  • Messages may not load photos sent using an iCloud Link

  • Third-party CarPlay apps may not respond to input

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

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

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