IPSW Downloads

iOS 11.3.1 - 15E302 for iPhone 6 Plus

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

Release Date24 April 2018
Upload Date14 April 2018
File NameiPhone_5.5_11.3.1_15E302_Restore.ipsw
File Size2.72 GB
SHA256sumf808b7981e5b2b8b6fd2bfddbeedf2ad965d77316297860d6b492f3a0cc59920
MD5sumd4a52753383801ea99b802ee67cfd842
SHA1sum706a0d92aaa759aef92e8622d8807b28bf05900d
IdentifieriPhone7,1

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 6 Plus to your PC.
  3. Open iTunes and navigate to your iPhone 6 Plus.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone_5.5_11.3.1_15E302_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 6 Plus to reboot.

macOS

  1. Connect your iPhone 6 Plus to your Mac.
  2. Navigate to your iPhone 6 Plus in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone_5.5_11.3.1_15E302_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 6 Plus to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 6 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_11.3.1_15E302_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 6 Plus to reboot.