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iPhone 3G[S]

iOS 4.1 (8B117) for iPhone 3G[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 (401 MB)

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Plug your iPhone 3G[S] in to your PC.
  3. Open iTunes, and navigate to your iPhone 3G[S].
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone2,1_4.1_8B117_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 3G[S] to reboot.

macOS

  1. Plug your iPhone 3G[S] in to your Mac.
  2. Navigate to your iPhone 3G[S] in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone2,1_4.1_8B117_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 3G[S] to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 3G[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 iPhone2,1_4.1_8B117_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 3G[S] to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone2,1_4.1_8B117_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 2d1657cd33ae23b8d4e79e41fe758d09d3c52e30. 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 iPhone2,1_4.1_8B117_Restore.ipsw
  3. The output of the command should match the following checksum: 2d1657cd33ae23b8d4e79e41fe758d09d3c52e30. 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 iPhone2,1_4.1_8B117_Restore.ipsw
  3. The output of the command should match the following checksum: 2d1657cd33ae23b8d4e79e41fe758d09d3c52e30. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum fc43ff778a2f1d0d78e26d8d50dd183f2603102f882977bbda58aa99b7cb5726
MD5sum e07bee3c03e7a18e5d75fcaa23db17b5
SHA1sum 2d1657cd33ae23b8d4e79e41fe758d09d3c52e30
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