IPSW Downloads

iOS 11.3 - 15E216 for iPhone 6s

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

Release Date29 March 2018
Upload Date16 March 2018
File NameiPhone_4.7_11.3_15E216_Restore.ipsw
File Size2.58 GB
SHA256sumfb6ad851a05b803627a8f1a88811ad5c969bff8de5135d4a4170c700815de2df
MD5sumc6e29f974be2362c75659754f755009c
SHA1sum5d0419846b7a8c6624eb3261aacc31c2a80511a5
IdentifieriPhone8,1

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 6s to your PC.
  3. Open iTunes and navigate to your iPhone 6s.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone_4.7_11.3_15E216_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 6s to reboot.

macOS

  1. Connect your iPhone 6s to your Mac.
  2. Navigate to your iPhone 6s in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone_4.7_11.3_15E216_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 6s to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 6s 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_4.7_11.3_15E216_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 6s to reboot.