IPSW Downloads

iOS 12.1.2 - 16C104 for iPhone 8 Plus

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

Release Date20 December 2018
Upload Date18 December 2018
File NameiPhone_5.5_P3_12.1.2_16C104_Restore.ipsw
File Size3.27 GB
SHA256sumbee9a7c69684257f3f3274cde0ed2e5ace02c149f261043742528b5a94bca886
MD5sum957d2c932aadf3c1d3e464e5e24bee3b
SHA1sum1fcdba760251187ac5b8b14d38b2bf7fd387ef75
IdentifieriPhone10,5

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 8 Plus to your PC.
  3. Open iTunes and navigate to your iPhone 8 Plus.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone_5.5_P3_12.1.2_16C104_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 8 Plus to reboot.

macOS

  1. Connect your iPhone 8 Plus to your Mac.
  2. Navigate to your iPhone 8 Plus in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone_5.5_P3_12.1.2_16C104_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 8 Plus to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 8 Plus 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_5.5_P3_12.1.2_16C104_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 8 Plus to reboot.