IPSW Downloads

iOS 13.4 - 17E255 for iPhone 6s

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

Release Date24 March 2020
Upload Date11 March 2020
File NameiPhone_4.7_13.4_17E255_Restore.ipsw
File Size3.50 GB
SHA256sumab23de9c2ecf3c46ed407189f3f6280ebf14ade9390bf11a5d7594fe39306926
MD5sum29b881ed8758607b4097f1f1c848d50c
SHA1suma5b3d4f87c7a16bb1efdc24ac2d7381e367633a7
IdentifieriPhone8,1

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 6s to your PC.
  3. Open iTunes and navigate to your iPhone 6s.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone_4.7_13.4_17E255_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 6s to reboot.

macOS

  1. Connect your iPhone 6s to your Mac.
  2. Navigate to your iPhone 6s in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone_4.7_13.4_17E255_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 6s to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 6s 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_4.7_13.4_17E255_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 6s to reboot.