IPSW Downloads

iOS 13.3.1 - 17D50 for iPhone 6s Plus

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

Release Date28 January 2020
Upload Date22 January 2020
File NameiPhone_5.5_13.3.1_17D50_Restore.ipsw
File Size3.63 GB
SHA256sum3577c1be4d4f3b13e8a503103d982855a8f335ac63ab0ff1a40aea6ec9531c1b
MD5sumdce58c37f1356a489e63c0c35e4061e5
SHA1sum56ac1fb10f896629d605e628341e654388ce49e2
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_13.3.1_17D50_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_13.3.1_17D50_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_13.3.1_17D50_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 6s Plus to reboot.