IPSW Downloads

iOS 8.1.1 - 12B435 for iPhone 4S

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

Release Date17 November 2014
Upload Date08 November 2014
File NameiPhone4,1_8.1.1_12B435_Restore.ipsw
File Size1.45 GB
SHA256sumdc530517c12b4694e25a446ded5ffab546863f7fbe78a32b91ac5e7582d7bf83
MD5sumdc1284b8b00c20e10731fe652cece405
SHA1sum941857f93e46e2ba58fb4bac45b74abd0b711b0b
IdentifieriPhone4,1

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 4S to your PC.
  3. Open iTunes and navigate to your iPhone 4S.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone4,1_8.1.1_12B435_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 4S to reboot.

macOS

  1. Connect your iPhone 4S to your Mac.
  2. Navigate to your iPhone 4S in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone4,1_8.1.1_12B435_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 4S to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 4S 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 iPhone4,1_8.1.1_12B435_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 4S to reboot.