IPSW Downloads

iOS 3.1.2 - 7D11 for iPhone 3G

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

Release DateInvalid Date
Upload Date05 October 2009
File NameiPhone1,2_3.1.2_7D11_Restore.ipsw
File Size0.24 GB
SHA256sumcc0629c118016709228c54c450d86f4d2352377f12ab3da7097f90564916a2e9
MD5sumfc9d1c3f6dacb7e97639ac09a088f41a
SHA1sumb1a6ab2771bb5da372ba75a8fa3e1d72b71359d0
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_3.1.2_7D11_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_3.1.2_7D11_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_3.1.2_7D11_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 3G to reboot.