IPSW Downloads

iOS 11.4 - 15F79 for iPhone 6s Plus

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

Release Date29 May 2018
Upload Date18 May 2018
File NameiPhone_5.5_11.4_15F79_Restore.ipsw
File Size2.72 GB
SHA256sum6f87e69c6281a2a48b18a661a0ca11d4e0c688e091df5ef3dad36d4c12222988
MD5sumdd54b6585226b3bdf63638de16e045fc
SHA1sum2bb3f264370c24446289eb033094323957037cca
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_11.4_15F79_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_11.4_15F79_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_11.4_15F79_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 6s Plus to reboot.