IPSW Downloads

iOS 14.3 - 18C66 for iPhone X GSM

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

Release Date14 December 2020
Upload Date09 December 2020
File NameiPhone10,3,iPhone10,6_14.3_18C66_Restore.ipsw
File Size4.74 GB
SHA256sumb2abd55946a527d00b60877389e3725960bd4ecf9cbd88981d5f54099dbf527d
MD5sum9667fed7f7a915ff630f654aae6cd48d
SHA1sumc87cd9b31fd8adcd779cdcd7ac9eb15d33883cfc
IdentifieriPhone10,6

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone X GSM to your PC.
  3. Open iTunes and navigate to your iPhone X GSM.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone10,3,iPhone10,6_14.3_18C66_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone X GSM to reboot.

macOS

  1. Connect your iPhone X GSM to your Mac.
  2. Navigate to your iPhone X GSM in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone10,3,iPhone10,6_14.3_18C66_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone X GSM to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone X GSM 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 iPhone10,3,iPhone10,6_14.3_18C66_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone X GSM to reboot.