IPSW Downloads

iOS 3.1 - 7C144 for iPhone

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

Release DateInvalid Date
Upload Date03 September 2009
File NameiPhone1,1_3.1_7C144_Restore.ipsw
File Size0.24 GB
SHA256sumcf846a7f229744d21927ae2da86dbd52c5c4f7978ef8d3a9d6c1c529c5713b20
MD5sum35b1c226cf696e4f9a8db24be8d3066e
SHA1sumb7b5f436f81c6f855410e8b44a3d432ccaacd6fc
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_7C144_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_7C144_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_7C144_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone to reboot.