iOS 15.4.1 (19E258) 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 (6.1 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_15.4.1_19E258_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_15.4.1_19E258_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_15.4.1_19E258_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_15.4.1_19E258_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: dfff2263cfca77a7ae5c8185ca9d3f430bc2f97c. 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_15.4.1_19E258_Restore.ipsw
  3. The output of the command should match the following checksum: dfff2263cfca77a7ae5c8185ca9d3f430bc2f97c. 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_15.4.1_19E258_Restore.ipsw
  3. The output of the command should match the following checksum: dfff2263cfca77a7ae5c8185ca9d3f430bc2f97c. If it doesn't, you may need to redownload the file.

Checksums

SHA256suma339d9f07f385580280bf21da80606909c48eb8528b1ee2721bc30c35467938d
MD5suma339d9f07f385580280bf21da80606909c48eb8528b1ee2721bc30c35467938d
SHA1sumdfff2263cfca77a7ae5c8185ca9d3f430bc2f97c
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

This update includes the following bug fixes for your iPhone:

  • Battery may drain more quickly than expected after updating to iOS 15.4

  • Braille devices may become unresponsive while navigating text or displaying an alert

  • Made for iPhone hearing devices may lose connection within some third-party apps

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

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

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