IPSW Downloads

iOS 13.4 - 17E255 for iPhone 6s Plus

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

Release Date24 March 2020
Upload Date11 March 2020
File NameiPhone_5.5_13.4_17E255_Restore.ipsw
File Size3.68 GB
SHA256sume36ba726b20e7fbb6f5c5032d80aa810c524a392bafb8a79d44218bd866b646b
MD5sum89b10893777cb6e96d09778f131de170
SHA1sumc57eead3e2e23f8c5e7e6abca33eefbd0e2302e3
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_13.4_17E255_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_13.4_17E255_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_13.4_17E255_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 6s Plus to reboot.