IPSW Downloads

iOS 8.1.1 - 12B435 for iPhone 5S (GSM)

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

Release Date17 November 2014
Upload Date08 November 2014
File NameiPhone6,1_8.1.1_12B435_Restore.ipsw
File Size1.74 GB
SHA256sum3d0af497efdefee7580d53baf98d5a55c08c99e85bcd57c1468c303491bc0a40
MD5sum91f0206ebf6ddb2cde36c62b0243caa3
SHA1sum6db4cb8a78580e65df7cf5202c9ef4842274bdab
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_8.1.1_12B435_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_8.1.1_12B435_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_8.1.1_12B435_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 5S (GSM) to reboot.