IPSW Downloads

iOS 14.3 - 18C66 for iPhone 12

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

Release Date14 December 2020
Upload Date09 December 2020
File NameiPhone13,2,iPhone13,3_14.3_18C66_Restore.ipsw
File Size5.30 GB
SHA256sum2d4d847494d8f017fd7ea5bacc514613358ceb1fa3e6ae2a3ecd367b567a9cce
MD5suma53b41e8d62141441014a292b0fd144d
SHA1sum40bca4baa613f199f11f079aa3f549e21afca291
IdentifieriPhone13,2

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 12 to your PC.
  3. Open iTunes and navigate to your iPhone 12.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone13,2,iPhone13,3_14.3_18C66_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 12 to reboot.

macOS

  1. Connect your iPhone 12 to your Mac.
  2. Navigate to your iPhone 12 in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone13,2,iPhone13,3_14.3_18C66_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 12 to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 12 to your PC.
  3. Open a terminal and navigate to the IPSW file you downloaded, e.g., cd ~/Downloads.
  4. To perform a full erase restore, type idevicerestore -e iPhone13,2,iPhone13,3_14.3_18C66_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 12 to reboot.