IPSW Downloads

iOS 4.3 - 8F190 for iPhone 3GS

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

Release DateInvalid Date
Upload Date03 March 2011
File NameiPhone2,1_4.3_8F190_Restore.ipsw
File Size0.41 GB
SHA256sum638569a22c13f09dd5aa8cd03519187b05913a774a8e7636297d09a9b23e1f7d
MD5sum87ebb9b2c025fb5f87a4cab0631b1547
SHA1sumd05108c7338f7df7026b2d9a84f632a096bace92
IdentifieriPhone2,1

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 3GS to your PC.
  3. Open iTunes and navigate to your iPhone 3GS.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone2,1_4.3_8F190_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 3GS to reboot.

macOS

  1. Connect your iPhone 3GS to your Mac.
  2. Navigate to your iPhone 3GS in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone2,1_4.3_8F190_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 3GS to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 3GS 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 iPhone2,1_4.3_8F190_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 3GS to reboot.