IPSW Downloads

iOS 12.1.1 - 16C50 for iPhone 6s Plus

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

Release Date05 December 2018
Upload Date05 December 2018
File NameiPhone_5.5_12.1.1_16C50_Restore.ipsw
File Size3.05 GB
SHA256sume6fd053b2ea76181407844ff2be7cf44f561375aa8725379b825401d9f84338d
MD5sum9ea14190be6683d3c444f270e51a8d69
SHA1sum780cf8acfc38c1ab9ae227cb94ae82645991a485
IdentifieriPhone8,2

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 6s Plus to your PC.
  3. Open iTunes and navigate to your iPhone 6s Plus.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone_5.5_12.1.1_16C50_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 6s Plus to reboot.

macOS

  1. Connect your iPhone 6s Plus to your Mac.
  2. Navigate to your iPhone 6s Plus in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone_5.5_12.1.1_16C50_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 6s Plus to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 6s 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_12.1.1_16C50_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 6s Plus to reboot.