IPSW Downloads

iOS 4.1 - 8B117 for iPhone 4

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

Release DateInvalid Date
Upload Date03 September 2010
File NameiPhone3,1_4.1_8B117_Restore.ipsw
File Size0.58 GB
SHA256sumf8471bedfa17a1fdf5816782c8263a4d3403c2beb528b9be5917c6cdb3f88bee
MD5sumac3031a7b5c013d6a09952b691985878
SHA1suma3f8a333ca181146b862ca6a59c9a6e7c27eba0b
IdentifieriPhone3,1

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 4 to your PC.
  3. Open iTunes and navigate to your iPhone 4.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone3,1_4.1_8B117_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 4 to reboot.

macOS

  1. Connect your iPhone 4 to your Mac.
  2. Navigate to your iPhone 4 in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone3,1_4.1_8B117_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 4 to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 4 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 iPhone3,1_4.1_8B117_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 4 to reboot.