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iPhone 4[S]

iOS 9.3.5 (13G36) for iPhone 4[S]

✓ This firmware is signed. This means that you can restore to it in iTunes.

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

Download (1.61 GB)

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_9.3.5_13G36_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_9.3.5_13G36_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_9.3.5_13G36_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_9.3.5_13G36_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 6f8e28e55662b35514a18fe010442464f3c596e6. 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_9.3.5_13G36_Restore.ipsw
  3. The output of the command should match the following checksum: 6f8e28e55662b35514a18fe010442464f3c596e6. 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_9.3.5_13G36_Restore.ipsw
  3. The output of the command should match the following checksum: 6f8e28e55662b35514a18fe010442464f3c596e6. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum 4526382a9d689140932060d55e6a396720256403c84eeed2bfc6d17b45b2e708
MD5sum 47ecc7be295d426a3220eeca23ddcf17
SHA1sum 6f8e28e55662b35514a18fe010442464f3c596e6
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 9.3.5 provides an important security update for your iPhone or iPad and is recommended for all users.

For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/kb/HT201222

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