IPSW Downloads

iOS 8.4.1 - 12H321 for iPhone 4S

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

Release Date13 August 2015
Upload Date07 August 2015
File NameiPhone4,1_8.4.1_12H321_Restore.ipsw
File Size1.45 GB
SHA256sum68a5f724ec43b020caec7e83768252727173f0c180f12ee3d6ba8fc8aa90b27a
MD5sum3d27d44f1dddfc711446e7e51c9611a8
SHA1sum0858ce92863751e3f1b750b5ee3cc3e44800a52d
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_8.4.1_12H321_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_8.4.1_12H321_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_8.4.1_12H321_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 4S to reboot.