IPSW Downloads

iOS 8.1.3 - 12B466 for iPhone 4S

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

Release Date27 January 2015
Upload Date19 January 2015
File NameiPhone4,1_8.1.3_12B466_Restore.ipsw
File Size1.45 GB
SHA256sum4d79e173a61fc0c59eb8b8b45d8fc7c724275c5adf218d31173290832729cd5f
MD5sum25bdbd88000ce5a138f640ae031e0a87
SHA1sum44455be722f52301a10a19f2b9cb8ceedae79eab
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_8.1.3_12B466_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_8.1.3_12B466_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_8.1.3_12B466_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 4S to reboot.