iOS 14.2.1 (18B121) for iPhone 12

1 Choose a product
2 Choose a device
3 Choose a version
4 Download
iPhone 12

✗ 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 (5.1 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 in to your PC.
  3. Open Apple Devices, and navigate to your iPhone 12.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone13,2_14.2.1_18B121_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 12 to reboot.

macOS

  1. Plug your iPhone 12 in to your Mac.
  2. Navigate to your iPhone 12 in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone13,2_14.2.1_18B121_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 12 to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 12 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_14.2.1_18B121_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 12 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_14.2.1_18B121_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 294a57582a12aa1833d9c29d06486804a0fd33e7. 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_14.2.1_18B121_Restore.ipsw
  3. The output of the command should match the following checksum: 294a57582a12aa1833d9c29d06486804a0fd33e7. 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_14.2.1_18B121_Restore.ipsw
  3. The output of the command should match the following checksum: 294a57582a12aa1833d9c29d06486804a0fd33e7. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum9fe010467027bcfd61bbe2257f25201d2440e701b1fab7ee72162fedb670c478
MD5sum9fe010467027bcfd61bbe2257f25201d2440e701b1fab7ee72162fedb670c478
SHA1sum294a57582a12aa1833d9c29d06486804a0fd33e7
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 14.2.1 addresses the following issues for your iPhone:

• Some MMS messages may not be received

• Made for iPhone hearing devices could have sound quality issues when listening to audio from iPhone

• Lock Screen could become unresponsive on iPhone 12 mini

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