IPSW Downloads

iOS 3.1.2 - 7D11 for iPhone

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

Release DateInvalid Date
Upload Date05 October 2009
File NameiPhone1,1_3.1.2_7D11_Restore.ipsw
File Size0.24 GB
SHA256sume06c8744d942ced2bbdc6668fe3818f53aa1e06080f02c50250c5af0c392b8d0
MD5sum91f35196a726ff32b9d83c54bf3b8f23
SHA1sume4a1171542dbbd3093516d9c02047b9f7e143050
IdentifieriPhone1,1

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone to your PC.
  3. Open iTunes and navigate to your iPhone.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone1,1_3.1.2_7D11_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone to reboot.

macOS

  1. Connect your iPhone to your Mac.
  2. Navigate to your iPhone in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone1,1_3.1.2_7D11_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 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 iPhone1,1_3.1.2_7D11_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone to reboot.