IPSW Downloads

iOS 3.1 - 7C144 for iPhone 3G

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

Release DateInvalid Date
Upload Date03 September 2009
File NameiPhone1,2_3.1_7C144_Restore.ipsw
File Size0.24 GB
SHA256sum2d063a6d34c0c5d694ad834f77281a0fcfa42a2e3d9979c619243583082549bb
MD5sum52af8da5471daf48532031e751501f03
SHA1sum9b3b3c148170b012012278efda9ff5c38282d559
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_3.1_7C144_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_3.1_7C144_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_3.1_7C144_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 3G to reboot.