IPSW Downloads

iOS 12.1 - 16B92 for iPhone 8 Plus

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

Release Date30 October 2018
Upload Date20 October 2018
File NameiPhone_5.5_P3_12.1_16B92_Restore.ipsw
File Size3.26 GB
SHA256sum9ec8812a330537fd02d176e594056698059960c916e3cf773c7d883313d643cc
MD5sumaa306a2c2a507888dc34d03e6e1c9101
SHA1sum4e6f79560ddd724f0c32d19a56c4070609c322e8
IdentifieriPhone10,2

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_16B92_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_16B92_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_16B92_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 8 Plus to reboot.