IPSW Downloads

iOS 14.3 - 18C66 for iPhone XS

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

Release Date14 December 2020
Upload Date09 December 2020
File NameiPhone11,2,iPhone11,4,iPhone11,6,iPhone12,3,iPhone12,5_14.3_18C66_Restore.ipsw
File Size5.92 GB
SHA256sumcd08c22a4cc2e234b9fabd1dcd6e752b5eb689cad6afef0b8e44e2861cbaeed2
MD5sum2087e626b6f7de85d1848adec262bb3c
SHA1sum2938954dd34ecdd9aab2d10bae05524a3b634f4b
IdentifieriPhone11,2

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone XS to your PC.
  3. Open iTunes and navigate to your iPhone XS.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone11,2,iPhone11,4,iPhone11,6,iPhone12,3,iPhone12,5_14.3_18C66_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone XS to reboot.

macOS

  1. Connect your iPhone XS to your Mac.
  2. Navigate to your iPhone XS in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone11,2,iPhone11,4,iPhone11,6,iPhone12,3,iPhone12,5_14.3_18C66_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone XS to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone XS 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 iPhone11,2,iPhone11,4,iPhone11,6,iPhone12,3,iPhone12,5_14.3_18C66_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone XS to reboot.