IPSW Downloads

iOS 11.4 - 15F79 for iPhone 6s

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

Release Date29 May 2018
Upload Date18 May 2018
File NameiPhone_4.7_11.4_15F79_Restore.ipsw
File Size2.58 GB
SHA256sum236143539b76d36d14466f15a7f29946083bd9f51bc27e01ac9e147ae72be5b4
MD5sume68d25ed10e6360da147db5fb06b89a0
SHA1sum21283cfe387841f3db7c9f88b56e646823706faf
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_11.4_15F79_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_11.4_15F79_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_11.4_15F79_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 6s to reboot.