IPSW Downloads

iOS 4.0.1 - 8A306 for iPhone 3G

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

Release DateInvalid Date
Upload Date13 July 2010
File NameiPhone1,2_4.0.1_8A306_Restore.ipsw
File Size0.30 GB
SHA256sum6d3f2c695229d03b4fe9297c681ffb509eaf5f1d4a316af893d15f674f330a52
MD5sum8a952dbd03fa5e85da1a31092c651a25
SHA1sum940bd2b36c646f6673419eab661ac1f13248e592
IdentifieriPhone1,2

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 3G to your PC.
  3. Open iTunes and navigate to your iPhone 3G.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone1,2_4.0.1_8A306_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 3G to reboot.

macOS

  1. Connect your iPhone 3G to your Mac.
  2. Navigate to your iPhone 3G in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone1,2_4.0.1_8A306_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 3G to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 3G 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 iPhone1,2_4.0.1_8A306_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 3G to reboot.