IPSW Downloads

iOS 11.4.1 - 15G77 for iPhone 6s Plus

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

Release Date09 July 2018
Upload Date30 June 2018
File NameiPhone_5.5_11.4.1_15G77_Restore.ipsw
File Size2.73 GB
SHA256sum2246ce8f759f66db2b9a01cc4e4be1b709eba1807197a7fb89b8ae324369c86c
MD5sum1f323d846007af8078847628bf9239ba
SHA1sum06dc5df272b54c6617d54f8095461ebfd419af70
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_11.4.1_15G77_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_11.4.1_15G77_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_11.4.1_15G77_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 6s Plus to reboot.