IPSW Downloads

iOS 4.0.1 - 8A306 for iPhone 3GS

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

Release DateInvalid Date
Upload Date13 July 2010
File NameiPhone2,1_4.0.1_8A306_Restore.ipsw
File Size0.37 GB
SHA256sum38b0efbc21063588156ed555c12bba46aee2795781b3269a952fd456009526f8
MD5suma3104ca3b72a91bc7eff037ee320ecc5
SHA1sumc2b6fb9a158547ce726baa1bf8f0558a71518fec
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_4.0.1_8A306_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_4.0.1_8A306_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_4.0.1_8A306_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 3GS to reboot.