IPSW Downloads

iOS 4.1 - 8B117 for iPhone 3GS

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

Release DateInvalid Date
Upload Date03 September 2010
File NameiPhone2,1_4.1_8B117_Restore.ipsw
File Size0.37 GB
SHA256sumfc43ff778a2f1d0d78e26d8d50dd183f2603102f882977bbda58aa99b7cb5726
MD5sume07bee3c03e7a18e5d75fcaa23db17b5
SHA1sum2d1657cd33ae23b8d4e79e41fe758d09d3c52e30
IdentifieriPhone2,1

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 3GS to your PC.
  3. Open iTunes and navigate to your iPhone 3GS.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone2,1_4.1_8B117_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 3GS to reboot.

macOS

  1. Connect your iPhone 3GS to your Mac.
  2. Navigate to your iPhone 3GS in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone2,1_4.1_8B117_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 3GS to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 3GS 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 iPhone2,1_4.1_8B117_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 3GS to reboot.