IPSW Downloads

iOS 12.1.2 - 16C104 for iPhone 5S (GSM)

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

Release Date20 December 2018
Upload Date18 December 2018
File NameiPhone_4.0_64bit_12.1.2_16C104_Restore.ipsw
File Size2.87 GB
SHA256sum20bfd0eaf07be8378976d68cc7876b73a3c767fa03e6e92f2af7cbd0035882ff
MD5sumad12d08621ccda6746da9fc9910cd82d
SHA1sum580d654267d0998040aea2579f17c2d72caf81af
IdentifieriPhone6,1

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 5S (GSM) to your PC.
  3. Open iTunes and navigate to your iPhone 5S (GSM).
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone_4.0_64bit_12.1.2_16C104_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 5S (GSM) to reboot.

macOS

  1. Connect your iPhone 5S (GSM) to your Mac.
  2. Navigate to your iPhone 5S (GSM) in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone_4.0_64bit_12.1.2_16C104_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 5S (GSM) to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 5S (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 iPhone_4.0_64bit_12.1.2_16C104_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 5S (GSM) to reboot.