IPSW Downloads

iOS 10.3.1 - 14E304 for iPhone 6s Plus

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

Release Date03 April 2017
Upload Date01 April 2017
File NameiPhone_5.5_10.3.1_14E304_Restore.ipsw
File Size2.58 GB
SHA256sum6636f2dccafda36410ecdf4c467cec753c4e2ccd29494566ff97789f386db88f
MD5sum915b5da280658a374d98b32529cd3a41
SHA1sum179925221cd2f34cdcea5034d9d7c211712ce661
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_10.3.1_14E304_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_10.3.1_14E304_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_10.3.1_14E304_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 6s Plus to reboot.