IPSW Downloads

iOS 11.1.1 - 15B150 for iPhone 6s Plus

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

Release Date09 November 2017
Upload Date07 November 2017
File NameiPhone_5.5_11.1.1_15B150_Restore.ipsw
File Size2.66 GB
SHA256sum0561ac861ae75c8064b9f009d2d0f1cad653689589da1239c0078ae9bddd8157
MD5sum153f062e1d6c4c73dfedff8c251ac197
SHA1sum8c12060e24a88948beea1d13c0aee27556da56cd
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_11.1.1_15B150_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_11.1.1_15B150_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_11.1.1_15B150_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 6s Plus to reboot.