IPSW Downloads

iOS 8.1 - 12B411 for iPhone 5S (GSM)

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

Release Date20 October 2014
Upload Date15 October 2014
File NameiPhone6,1_8.1_12B411_Restore.ipsw
File Size1.94 GB
SHA256sum7e500dcd740656554e3751ac4527f8ef6ea0fc88a1fa2ce65229df03d192dcd9
MD5sumbad689b9034533fc4b0c2a0e28a1948e
SHA1sum28853c4cee9c42d8d2787f53a8563d995f833ff8
IdentifieriPhone6,1

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 5S (GSM) to your PC.
  3. Open iTunes and navigate to your iPhone 5S (GSM).
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone6,1_8.1_12B411_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 5S (GSM) to reboot.

macOS

  1. Connect your iPhone 5S (GSM) to your Mac.
  2. Navigate to your iPhone 5S (GSM) in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone6,1_8.1_12B411_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 5S (GSM) to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 5S (GSM) 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 iPhone6,1_8.1_12B411_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 5S (GSM) to reboot.