IPSW Downloads

iOS 3.1.3 - 7E18 for iPhone 3G

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

Release DateInvalid Date
Upload Date22 January 2010
File NameiPhone1,2_3.1.3_7E18_Restore.ipsw
File Size0.22 GB
SHA256sum31eb8734ddf0a86d21a850e437028b902f2f085c81ccf3dd39471f1596438cf3
MD5sum82e93e4e51b0e4503a8165507b8a3df2
SHA1sumf5950afca546f93e281ba3cdb08bc0cfed7f0896
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_3.1.3_7E18_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_3.1.3_7E18_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_3.1.3_7E18_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 3G to reboot.