1 Choose a product
2 Choose a platform
3 Choose a version
4 Download
iPhone 12 Pro

iOS 15.3.1 (19D52) for iPhone 12 Pro

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

Your download should begin shortly. If it does not, you can download it directly here:

Download (6.82 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 12 Pro in to your PC.
  3. Open iTunes, and navigate to your iPhone 12 Pro.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone13,2,iPhone13,3_15.3.1_19D52_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 12 Pro to reboot.

macOS

  1. Plug your iPhone 12 Pro in to your Mac.
  2. Navigate to your iPhone 12 Pro in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone13,2,iPhone13,3_15.3.1_19D52_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 12 Pro to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 12 Pro 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 iPhone13,2,iPhone13,3_15.3.1_19D52_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 12 Pro to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone13,2,iPhone13,3_15.3.1_19D52_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: b0d1050ec4cfc4c7556d86fdb2144948cfaeffe7. 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 iPhone13,2,iPhone13,3_15.3.1_19D52_Restore.ipsw
  3. The output of the command should match the following checksum: b0d1050ec4cfc4c7556d86fdb2144948cfaeffe7. 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 iPhone13,2,iPhone13,3_15.3.1_19D52_Restore.ipsw
  3. The output of the command should match the following checksum: b0d1050ec4cfc4c7556d86fdb2144948cfaeffe7. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum a61da3258712c5524c868c1e4fc388ed8ae49446f44916c18765475610a5f44a
MD5sum 4977e9335bf2640c0851edd496d4935f
SHA1sum b0d1050ec4cfc4c7556d86fdb2144948cfaeffe7
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 15.3.1 provides important security updates for your iPhone and fixes an issue that may cause Braille displays to stop responding.

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

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

Bluesky Mastodon r/jailbreak Twitter