1 Choose a product
2 Choose a platform
3 Choose a version
4 Download
iPhone 4[S]

iOS 9.1 (13B143) for iPhone 4[S]

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

Your download should begin shortly. If it does not, you can download it directly here:

Download (1.58 GB)

✗ This firmware is not signed. This means you cannot restore to it in iTunes. The instructions below are included for reference only.

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Plug your iPhone 4[S] in to your PC.
  3. Open iTunes, and navigate to your iPhone 4[S].
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone4,1_9.1_13B143_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 4[S] to reboot.

macOS

  1. Plug your iPhone 4[S] in to your Mac.
  2. Navigate to your iPhone 4[S] in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone4,1_9.1_13B143_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 4[S] to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 4[S] in to your PC.
  3. Open a terminal, and navigate to the IPSW file that 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 the iPhone 4[S] to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone4,1_9.1_13B143_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 4a5a2affb370fe52d7d73132bf67fd985e5290e5. If it doesn't, you may need to redownload the file.

macOS

  1. Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
  2. Type openssl sha1 iPhone4,1_9.1_13B143_Restore.ipsw
  3. The output of the command should match the following checksum: 4a5a2affb370fe52d7d73132bf67fd985e5290e5. If it doesn't, you may need to redownload the file.

Linux

  1. Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
  2. Type openssl sha1 iPhone4,1_9.1_13B143_Restore.ipsw
  3. The output of the command should match the following checksum: 4a5a2affb370fe52d7d73132bf67fd985e5290e5. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum 00b912fa3a216446859ffeec6b8170a1f9ebc348502fd882e6796de166a47ab1
MD5sum 25efff096d17944feeffb3a22aa4484b
SHA1sum 4a5a2affb370fe52d7d73132bf67fd985e5290e5
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

This release includes new features, improvements and bug fixes, including:

  • Live Photos now intelligently senses when you raise or lower your iPhone, so that Live Photos will automatically not record these movements
  • Over 150 new emoji characters with full support for Unicode 7.0 and 8.0 emojis
  • Improved stability including CarPlay, Music, Photos, Safari, and Search
  • Improved performance while in Multitasking UI
  • Fixes an issue that could cause Calendar to become unresponsive in Month view
  • Fixes an issue that prevented Game Center from launching for some users
  • Resolves an issue that zoomed the content of some apps
  • Resolves an issue that could cause an incorrect unread mail count for POP mail accounts
  • Fixes an issue that prevented users from removing recent contacts from new mail or messages
  • Fixes an issue that caused some messages to not appear in Mail search results
  • Resolves an issue that left a gray bar in the body of an Audio Message
  • Fixes an issue that caused activation errors on some carriers
  • Fixes an issue that prevented some apps from updating from the App Store

For information on the security content of this update, please visit this website:

http://support.apple.com/kb/HT1222

Bluesky Mastodon r/jailbreak Twitter