IPSW Downloads

iOS 9.1 - 13B143 for iPhone 4S

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

Release Date21 October 2015
Upload Date16 October 2015
File NameiPhone4,1_9.1_13B143_Restore.ipsw
File Size1.47 GB
SHA256sum00b912fa3a216446859ffeec6b8170a1f9ebc348502fd882e6796de166a47ab1
MD5sum25efff096d17944feeffb3a22aa4484b
SHA1sum4a5a2affb370fe52d7d73132bf67fd985e5290e5
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_9.1_13B143_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_9.1_13B143_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_9.1_13B143_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 4S to reboot.